A muddy alien landscape that is home to rare species of exotic plants.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

This Ukraine alleyway has become its own little island of forgotten things.

The ruins of an abandoned church loom within a picturesque Ukranian village.

Get past the gatekeeper's apartment and enter an elaborate hoax of a restaurant with a Masonic feel.

A subterranean Holocaust refuge within one of the world's longest cave systems.

This huge metal monument is slowly being stripped to its concrete skeleton.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

This fairytale medieval church in Poland originally spent centuries in Norway.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

What was once an underground Nazi city is now Europe's largest bat reserve.

Naturally formed rock city in Poland.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

These massive moving sand dunes have swallowed an entire village and are still on the run.

Looming communist pillar with a Czech twist.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

You can walk up Thailand’s naturally non-slip waterfall.

A colorful kitschy temple and floating market off the beaten path.

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

A condom-covered Thai restaurant that is more concerned with birth control than food.