These termites have an large and deadly abode—impressive by day, dazzling by night.

One of the world's largest pyramids stands within El Mirador, the "lost city of the Maya."

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

These giant mummies are set ominously into a Peruvian cliffside and topped with real human skulls.

The half-mile long structure is so impressive, it even shows up on satellite images.

Hauntingly beautiful totem poles left by the Haida.

Budapest's Communist-era statues, banished to the suburbs.

This modern monument to pagan belief looks like it was transported straight from ancient times.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

Two monstrous faces loom over a village in Czechia.

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.

A meditative space out of a fantasy story.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Off-limits and full of venomous pit vipers, Brazil’s Snake Island has a frighteningly apt nickname.

A fiery crater has been burning in the Karakum Desert since 1971.

A modern day curiosity cabinet.

A bizarre house filled with an astounding array of collections.

A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.

A large visitor's complex and place of remembrance on the outskirts of the DMZ.

The best place for scenic views of the DMZ and North Korea.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

South Korea's largely symbolic, barely used gateway to the North.

A thriving artist's wonderland located just 6 kilometers from Korea's DMZ.

Secret North Korean passage discovered below the world's most dangerous border.