A secluded, little-known temple hidden amid the dense jungle.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

Hoax, mistake, or evidence of dinosaurs in human times?

A small 12th-century temple surrounded by waters believed to have curative properties.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

One of the biggest markets in Asia, under one of the continent's largest domes.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

Khmer Rouge's high security prison.

5,000 skulls in memorial to those killed by the Khmer Rouge.

This ruined relic of the medieval city of Jahanpanah is a quiet oasis in the middle of New Delhi.

A blooming house of worship for the masses.

A startling, centuries-old subterranean marvel hides in plain sight.

The beautiful 16th-century stepwell lies in the shadow of a famous fortress.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Sacred Indian temple that’s all monkey business.

The world's second-largest sundial, made entirely out of stone.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Preserving the research tools, unexpected inventions, and odd collections of generations of college professors.

This imposing tower named after the mythical sword of King Arthur is considered the tallest freestanding climbing wall in the world.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The site of Paul Revere's historic two lantern warning.

No one messes with the Massachusetts sacred cod, not this time...

A unusual sanctuary for abused and exotic animals in South Jersey.