An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

The remains of a monument in the remote Kazakhstani desert dedicated to the only men to die in outer space, the crew of the Soyuz 11 rocket.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

Palace where the nearly un-killable Rasputin was murdered.

A forensic lab dedicated to fighting crimes against wildlife.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

A submerged archeological park still holds the wonders of a Roman Sodom.

The latest in a series of long glass bridges suspended at terrifying heights.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

One man's swirling six-acre monument of stone.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

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

A mysterious crater-like pond has a spooky tendency to empty and fill with complete disregard to rainfall patterns.

Erosion and time have created a naturally-formed water park.

The most powerful waterfall in all of Europe.

On the Oregon coast there is a natural hole that seems to be draining the sea.

The creek where a shark wreaked terror upon New Jersey, and served as the inspiration for "Jaws."

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

An abandoned castle owned and ignored by Masons carries a cursed history.