This experimental utopian "city of the future" in rural India may hold a dark secret.

Where America's first doomsday cult awaited the end of the world.

An abandoned saucer-shaped monument in the Bulgarian mountains.

There is an art, a science, and certainly a responsibility to occupying The Big Red Chair, and this is where it's learned.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Towering basalt columns, a creation of fire and ice.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

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

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

The largest collection of hair jewelry in Europe reminds you how creepy 19th-century love was.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

This Denmark theme park is part family attraction, part experimental archaeology project.

Preserved "bog person" that is over 2,000 years old.

This Danish art forest places loud works of contemporary art among the pensive silence of nature.

Four alabaster giants contemplate the tides on the shore of Denmark.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Model Trains and Much More in Hamburg.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

This statue, deep in a Swedish forest, is all alone, just like the renowned recluse would have wanted.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.