One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

When this funny little building went up in the 19th century, most people thought it would simply fall over.

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

With a facade that measures just 107 centimeters, this five-story building is one of the skinniest in Europe.

A Spanish town built into the cliffs.

Kissing the ass of this stone lioness has become a rite of passage in the city of Girona.

Rub it for a bit of good luck.

This Art Nouveau gate still stands at the former entrance of a 20th-century Spanish writer's colony.

A road that winds through this natural cave is the only way to access the small, appropriately-named village of Cuevas.

This historical manor is complete with a magnificent garden.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

To fit bodies into this Renaissance crypt, they were first left to decompose in the crypt's rotting room.

A signal indicates the entrance to this alley, rumored to be a meeting place for witches.

A 12th century church completely covered in shells.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

Experience this Iron Age village the way that its original residents would have.

This enchanting green space houses a labyrinth lined with toxic plants.

Hundreds of preserved dinosaur footprints can be found along a hiking trail in this small village.

A hidden medieval crypt where a famous legend says the devil used to teach black magic.

These magnificently sculpted tombs represent Spain's own legendary version of "Romeo and Juliet."

A spectacular walk on the flank of a gorge.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.