A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Mysterious face-like images that appeared within an Andalusian house are surrounded by legends of the paranormal.

This enormous censer uses a pulley system installed over 400 years ago.

When this former hospital pharmacy closed in 2013 it already looked like a museum, so they turned it into one.

The "Little Ones," show Portugal in full miniature splendor.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

A Spanish town built into the cliffs.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

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

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

Known to backpackers as the "Steps of Doom," this walkway carved into the side of a seaside cliff leads to the Roman Tombs.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

Founded as a refugee camp, now a popular tourist spot.

The world's largest concentrated solar power plant.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

The largest cactus farm in Africa.

The oldest Roman lighthouse still in use.

A complimentary beverage is offered to the bodega's resident rodents every day.

The world's most elegant power lines.

This centuries-old tower hosts endangered bald ibis mating pairs and looms over a pristine beach.

The ruins of a 2,000-year-old Roman fishing village perched on one of the best beaches in Spain.

The defensive tower was built centuries ago to warn locals of Berber pirate attacks.