A landscape decorated with enormous skull sculptures.

A Spanish forest is filled with mysterious stone carvings.

This house's itty bitty size means no humans allowed.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

The morbid items in this small and hidden museum are not for the weak stomached.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

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

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

Wonderland replication in progress by one persistent man.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

Turntable anonymously received orphans, alms, and groceries.

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

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.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This cemetery features modernist statues as strange as its name.

The jaw of one of humankind's earliest ancestors on display at an overlooked geology museum.

One of the most important yet well-hidden museums dedicated to the history of medicine.

The final resting place of the poets Shelley and Keats.

This natural history museum houses one of the world's largest rat kings, a terrifying jumble of tangled rodents.

This natural "sea of stones" was once used by the Romans as a quarry.

Nestled within a German forest is an intriguing, growing rock.

A beautiful collection of taxidermy birds and rare pomological wax models.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.