Places stonoceno Wants to Go

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

A landscape decorated with enormous skull sculptures.

Cliffside houses provide a spectacular view from their perch above the valley.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

Week-long block party becomes a competition for the best decorated street.

A Spanish town built into the cliffs.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

An isolated village literally built into the crevices and rock formations of a mountain.

An ancient Egyptian temple in the middle of Madrid, Spain.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

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

Mountain where Jesus was first tempted by the Devil.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Wonderland replication in progress by one persistent man.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.