Nature took her revenge on the "Wickedest City in the World."

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

An isolated dive site teeming with cnidarians.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

The only sea in the world that has no land boundary.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

At the point of oceanic inaccessibility, you can't get farther from dry land without leaving the planet.

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.

The world's northernmost flowers cling tenuously to life on desolate Kaffeklubben Island.

Museum preserving torture methods from the past.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

The "feral child" who appeared in Bavaria in the 19th century remains as much a mystery as his unsolved murder.

Flowers have mysteriously appeared on her effigy every day for the last 150 years.

New York's oldest magic store.

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

The first recognized Neanderthal remains were found in this now-lost cave in 1856.

A varied collection of brains in alcohol.

This WWII plane died a quiet death, and is now a garden eel playground.

A Japanese pilot crash-landed on this Hawaiian island after the Pearl Harbor attack and terrorized locals for a week.

The island where one woman reigned as a "queen" over 30-odd Japanese soldiers who refused to believe that WWII had ended.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Now overgrown, these anti-tank barriers from World War II are sometimes called "dragon's teeth."