A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

Tubing through a cave lit with glowworms is a magical underground experience.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Stunning wetlands ablaze with pink lotus flowers.

Buddha shrines hide within dark tunnels at this unique forest temple.

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

An eerie abandoned gentlemen's club built for British officials during the colonial era.

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

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

Luxurious devotion and 500,000 images of Buddha in Myanmar.

Caves full of Buddhist statues, incredible rock formations and a deserted lagoon.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

This unique temple complex remains off the typical tourist trail.

A grand imperial capital left to fall into magnificent ruin.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

A snapshot of the city's fascinating voodoo culture.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

A World War II torpedo launch station abandoned off the Polish coast.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

A moody and picturesque riverside ruin overgrown with vegetation.

An abandoned desert hamlet swallowed up by sand.

This small, hidden cove is home to abandoned boats.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

A miniature rainforest is growing inside of a Midtown Manhattan office building.