The final resting place of the great navigator, or maybe his brother.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

This Funeral Hearse Museum represents the finest in cadaver transportation.

This cemetery features modernist statues as strange as its name.

A thorough look at the development and history of the underground's rolling stock of the Madrid subway system.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

One of the best examples of the modernist movement in Madrid.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

A subterranean relic of the Spanish Civil War hides below this picturesque park.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

You've probably seen these distinctive orange-tiled columns on the big screen.

This monumental work of art symbolizes the coming together of a previously divided city.

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

An eerie, derelict amusement park in Berlin.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Anne Rice, one of the most influential writers in gothic literature, is buried alongside her husband in a New Orleans cemetery.

Built to power trains, the engines in this building provided the entire city of Madrid with electricity during the Spanish Civil War.

Five million people are laid to rest here, more than the population of Madrid itself.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.