A nightmare for the claustrophobic lies hidden in Southeast Asia.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

World's largest cave was only discovered in 1991, and now offers tours to the public.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

This elephant kraal is the only one remaining in Thailand, dating back to the 16th century when these massive mammals were integral players in war and trade.

Thailand's distressed elephants find peace at this Chiang Mai sanctuary.

Surat Thani's official flower—and the world's largest—smells of rotting meat.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

A limestone wonderland of water and subterranean secrets.

A white Buddhist temple with a golden restroom.

This elaborate temple was built around one of the Buddha's teeth.

A Bohemian "anti-hotel" offers off-kilter stays in Sri Lanka.

Once thought to be the Garden of Eden it holds a holy footprint claimed to belong to Adam, Buddha and Shiva.

An ancient stone fortress considered by many to be the eighth wonder of the world.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

A series of tiny artificial islands rich with produce bob atop the surface of the lake.

A deserted 20-lane highway runs through Myanmar's empty capital city.

Myanmar's Mount Olympus atop a 2,500-foot volcanic plug.

This golden temple is surrounded by hundreds of stone tablets that comprise the "world's largest book."

A grand example of 19th century Burmese teak architecture, and the most significant of Mandalay's historic buildings.

A precariously perched golden rock defies gravity and brings pilgrims from across Myanmar.

The oldest teak bridge in the world is made from the remains of a royal palace.