The city's Hindu temples - especially the ancient Nallur Kandaswamy Kovil - are among the finest examples of Dravidian temple architecture, and the annual Nallur Festival is a spectacle of colour, devotion and ritual that attracts tens of thousands of pilgrims. Jaffna's unique cuisine, its Dutch Fort, its islands accessible by causeway across a luminous lagoon, and the warmth of its people make it one of Sri Lanka's most underexplored destinations.

Gangaramaya Temple blends architecture and culture from Sri Lanka, Thailand, India and China into a layered complex of shrines, libraries, a museum and a spectacular relic chamber. Founded in the late 19th century, the temple has grown into a centre of Buddhist learning and cultural activity, and its annual Navam Perahera festival - held in February - is one of the most dazzling religious processions in Sri Lanka, drawing thousands of spectators.

The Red Mosque, officially known as the Jami Ul-Alfar Mosque, is a striking Colombo landmark, its vivid red-and-white candy-striped facade rising above the crowded streets of the Pettah bazaar district since 1909. Built to serve the city's growing Muslim population during the British colonial period, its Indo-Saracenic architecture is a brilliant blend of styles that stands in wonderful contrast to the bustling market life that surrounds it.

The Koneswaram Temple is one of Sri Lanka's most ancient and spectacular Hindu shrines, dedicated to Lord Shiva. The site, known as the 'Shrine of the Thousand Pillars', is one of the Pancha Ishwarams or five ancient abodes of Shiva in Sri Lanka, and its setting above the crashing sea makes it one of the island's most visually awe-inspiring religious sites.

Set on the banks of Kandy Lake within the ancient royal palace complex, the temple houses the tooth relic of the Buddha, which has been protected by the rulers for nearly 2,000 years. The daily puja ceremonies, performed three times a day to the accompaniment of traditional drumming and the fragrance of incense and flowers, create an atmosphere of devotion that touches visitors of every background.

Sri Lanka's primary tropical rainforest and a UNESCO World Heritage Site, Sinharaja is an ecological treasure of global significance. Home to over 60% of Sri Lanka's endemic bird species, Sinharaja rewards visitors with some of the most extraordinary wildlife encounters in Asia. The forest is magical in the soft light of early morning, when mixed feeding flocks of endemic birds move through the canopy in a spectacle.

Sri Lanka's most visited national park, Yala is a vast wilderness of rocky outcrops, dense jungle, open grassland and coastal lagoons that create the perfect habitat for one of the world's highest concentrations of wild leopards. While leopard sightings are never guaranteed, the park also reliably delivers encounters with elephants, sloth bears, crocodiles, water buffalo and a diversity of bird species.

Each year between July and October, Minneriya National Park becomes one of the great wildlife spectacles of the natural world - 'The Gathering', in which hundreds of wild elephants converge on the shores of the Minneriya reservoir during the dry season in search of fresh grazing. Witnessing this congregation of elephants - feeding, bathing and socialising in herds - is among the most humbling wildlife experiences.

Udawalawe National Park is home to over 300 Sri Lankan elephants who roam freely across open grasslands and around its large central reservoir - offering some of the most reliable and spectacular elephant viewing in the world. The adjacent Elephant Transit Home, a rehabilitation centre for orphaned elephant calves, provides an ethical and educational wildlife encounter that is both heartwarming and informative.

Wilpattu covers a vast wilderness, scrubland and natural lakes of beauty. The park is celebrated for its leopard population and also supports Sri Lankan elephants, sloth bears, spotted deer and a diversity of water birds. Because Wilpattu is less visited than Yala, wildlife encounters here feel more intimate and undisturbed, making it a favourite among wildlife travellers.

The Ambuluwawa Tower is a spiralling, biodiversity complex. The tower - a narrow spiralling staircase with no internal railing that winds around the outside of the tower, rewarding those brave enough to climb it with a stunning 360-degree panorama of the central hills, including the Knuckles range, Pidurutalagala and the valleys of the Kandy district. The complex surrounding the tower houses a Buddhist temple, a Hindu shrine, a mosque and a church, making it a symbol of the multi-cultural harmony.

One of Sri Lanka's most sacred natural landmarks, Adam's Peak draws pilgrims of multiple faiths who believe the large rock impression at its summit is the footprint of the Buddha, Adam or the god Shiva, respectively. The pilgrimage climb, undertaken via thousands of lit steps during the December-to-May season, is described as one of life's most memorable moments.

A UNESCO World Heritage wilderness of biological diversity, the Knuckles Mountain Range offers an adventurous alternative to the tea country highlands. The range includes cloud forests, hidden waterfalls, remote villages that maintain centuries-old traditions and some of Sri Lanka's rarest endemic wildlife. Guided multi-day treks through the Knuckles offer an immersive experience of untamed highland nature that is without parallel on the island.

Known as 'Little England' for its colonial-era bungalows, gardens, racecourse and crisp mountain air, Nuwara Eliya was the favoured hill station of British planters during the colonial era. Today, it remains the heart of Sri Lanka's tea country, with the finest Ceylon tea estates producing some of the world's most celebrated single-origin teas. Also, Gregory Lake offers boating and cycling, while the Strawberry Fields and Victoria Park provide charming diversions for those who enjoy a slower pace of travel.

Horton Plains National Park is a UNESCO World Heritage Site of ecological importance, home to endemic flora and fauna found nowhere else on Earth. The park's trekking circuit leads through eerie cloud forests, past shimmering highland lakes and sudden sheer drops to the plains below - most dramatically at World's End, where the plateau falls away in an almost vertical 870-metre escarpment.

Ella is a charming town that has become one of Sri Lanka's most beloved destinations. Surrounded by misty tea estates and lush valleys, it offers some of the island's finest hiking, including the Nine Arch Bridge walk and the Ella Rock. The town has a relaxed atmosphere, a community of travellers, excellent cafes and restaurants, and a range of adventure activities from ziplining to abseiling.

Anuradhapura was the centre of Theravada Buddhism and its towering dagobas - massive dome-shaped reliquary monuments that dwarf even ancient Rome's grandest structures - rise above the plains in a spectacle of spiritual devotion. The Sri Maha Bodhi tree, grown from a cutting of the tree under which the Buddha attained enlightenment, is considered among the most sacred sites in the Buddhist world.

Yapahuwa was a short-lived medieval capital of Sri Lanka built atop a massive rocky outcrop surrounded by jungle. Its most striking feature is the ornate carved staircase leading to the upper palace - an architectural delicacy that rivals anything found in the more famous sites of the Cultural Triangle. Yapahuwa sees relatively few tourists, offering an atmosphere of peaceful discovery for those who seek out the road less travelled.

Dambulla Cave Temple is the best-preserved cave temple complex in Sri Lanka, comprising five separate caves filled with over 150 Buddha statues and ceiling murals dating back 2,000 years. The caves have been a place of Buddhist worship since the 1st century BC and an active place of pilgrimage today. A guided storytelling session within the caves brings the intricate iconography and historical narratives to life.

Built in the 5th century by King Kashyapa as a palace and a fortress, Sigiriya features frescoes of celestial maidens painted onto the sheer rock face, a pair of lion paws carved at the summit entrance, and the remnants of sophisticated water gardens at its base. Climbing to the summit to witness the panoramic view across the Sri Lankan plains is an experience that resonates long after the journey.

Polonnaruwa is a UNESCO World Heritage site that once served as a powerful empire. Its ancient ruins include the Gal Vihara - a series of colossal Buddha images carved from a single granite outcrop - as well as royal palaces, bathing pools, irrigation tanks and archways that speak of a civilisation far ahead of its time. Exploring the site by bicycle is one of Sri Lanka's most magical experiences.

Trincomalee is one of the natural deep-water harbours in the world. The town is dominated by the Koneswaram Hindu temple perched on Swami Rock above the Indian Ocean. Between May and October, the Trincomalee coast becomes one of the best places to see blue and sperm whales, while nearby beaches at Uppuveli and Nilaveli offer swimming in waters of clarity.

One of Sri Lanka's most beloved beach resorts, Hikkaduwa offers a colourful coral sanctuary just metres from the shore, and a stretch of golden beach buzzing with surf schools, beachside cafes and vibrant nightlife. The coral reef here - viewable by glass-bottom boat or snorkel - is home to sea turtles, parrotfish and tropical reef species that thrive in the warm, shallow waters.

Just above Trincomalee, Nilaveli offers one of Sri Lanka's most pristine beach experiences - a long, wide arc of pale sand lapped by calm, crystal-clear water. The Pigeon Island National Park, a short boat ride offshore, is home to vibrant coral reefs and a colony of rock pigeons, as well as blacktip reef sharks that patrol the shallows in plain sight of snorkellers.

Tangalle is a place of unspoiled beauty - wild stretches of beach separated by rocky headlands, turquoise coves and crashing surf. Unlike the more touristy beaches, Tangalle retains a sense of natural wildness. Rekawa Beach nearby is one of the most important nesting sites for sea turtles, and nighttime visits to witness these ancient creatures come ashore to lay their eggs are among the most moving experiences.

Kalpitiya is a kitesurfer's paradise and a premier destination for dolphin watching, with the Bar Reef Marine Sanctuary - Sri Lanka's largest - lying just offshore. The vast, wind-swept lagoon behind the peninsula is ideal for kitesurfing and windsurfing, while boat excursions into the Puttalam Lagoon regularly encounter spinner dolphins in pods of hundreds.

Mirissa is renowned as one of the world's best locations for blue whale watching between December and April, when these magnificent creatures pass close to shore during their annual migration. The beach's relaxed atmosphere, excellent seafood shacks and warm, swimmable water make it a firm favourite for travellers seeking a perfect blend of nature and leisure.

Pasikuda is home to one of Sri Lanka's most remarkable natural features - a shallow, calm bay with turquoise water on the island, stretching for over a kilometre. The beach is tranquil, fringed with swaying palms, and ideal for swimming, snorkelling and paddleboarding. Pasikuda's luxury resorts make it a premier destination for those seeking an exclusive beach escape.

Often a traveller's first taste of Sri Lanka, Negombo is a vibrant coastal city just 30 minutes from the international airport. The town's Dutch colonial heritage is visible in its canals, fort and old church, while its long sandy beach and abundant seafood restaurants make it a delightful place to begin or end a journey.

A laid-back surfers' haven on the east coast, Arugam Bay has earned its place on the global surf map with its world-class right-hand point break that draws wave riders from around the globe between May and October. Beyond surfing, the surrounding area is rich with wildlife - Kumana National Park, Crocodile Rock and the Pottuvil Lagoon are all nearby, offering incredible encounters with nature.

A picture-perfect resort town on the south-western coast, Bentota is celebrated for its golden beach, calm azure waters and a wealth of water sports, including jet skiing, banana boat rides and deep-sea fishing. Bentota is also home to some of Sri Lanka's finest beach resorts, making it an ideal base for honeymooners and families alike.