This amazing oasis of art and plants is hidden on the outskirts of Marrakesh.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

The former home of Dutch anthropologist Bert Flint now houses a collection of Berber art and artifacts.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.

Amazingly detailed marble cinerary urns that once held the cremains of Roman elite.

A memorial to the soldiers who died in the bloody battles to control Verdun in World War I.

Ship skeletons haunt Baltimore's waterways.

The trials and tribulations of marking Poe's grave.

A model home in the Medical Examiner's Office in which grisly death scenes are staged to train forensic investigators.

Eighteen miniature death-scene dioramas.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

Walk through Czech history in Prague's largest graveyard.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Monument to a suicide protesting the Soviet invasion.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A crucified and bearded female saint.

Macabre astrological automaton clock dating to the late 1400s.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

On a dusty county road sit the ruins of a ghost town's abandoned church.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.