Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The highway's southernmost spot is a beloved local attraction.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

A luxuriant botanical garden below sea level.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

One of Ayutthaya’s most iconic locations is a mysterious, hauntingly surreal miracle.

A sculpture garden built by a retired durian farmer.

This Khmer-era temple includes a lintel that was stolen and displayed at the Art Institute of Chicago for years before returning to Thailand.

A mile-long navigable cave adorned with stalactites and stalagmites reaching up to 65 feet tall.

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

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.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

Khmer Rouge's high security prison.

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

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

A battle between nature and architecture in the Cambodian jungle.

Extraordinary sculpture garden created by an eccentric English poet.

This art shopping center still boasts pieces of its past as a textile factory.

An artist's suburban abode looks like an architectural fever dream.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.