A failed utopia, shut down by a more legitimate nation.

A self-proclaimed libertarian micro-state on a tiny bit of disputed territory between Serbia and Croatia.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

This isthmus in the Bahamas narrowly separates the roiling Atlantic from the cool Bight of Eleuthera.

A Cold War atomic camp buried under the ice is now emerging because of global warming.

This plaque tells the story of an event that took place in an imagined parallel universe.

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

The fully functional, submerged Vanuatu Post Office is definitely one of a kind.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

The ruins of this old church are slowing sinking into the sand.

A mostly desolate bar on a remote island hosts hundreds of sailors for a few days each year.

A long-disputed island that Denmark and Canada claim by periodically alternating flags and bottles of liquor.

A former hen house turned curiosity cabinet displays one man's lifelong fascination with cannibalism.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

A gorgeous gem on the ocean.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

The world's largest aggregation of great white sharks is at a mysterious spot in the middle of the ocean.

This remote lake in Siberia supposedly contains a fearsome sea monster.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

Bioluminescent firefly squid light up this Japanese fishing port.

Stay in your own little bubble.

A submerged village appears when dam levels drop.

An underwater restaurant, surrounded by a coral reef.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.