A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A display of magnificent stained glass windows is the first exhibit of its kind.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

Roman ruins top white travertine terraces formed by ancient hot springs.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

Eighty million natural history specimens call this gargantuan museum home.

This Costa Rican chapel is the most metal church in the world, literally.

This abandoned hospital is one of the most haunted places in Costa Rica.

This Costa Rican topiary park is a surreal garden of unearthly delights.

Disused penal colony features prisoner artwork, some sketched in human blood.