An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

A contemporary art installation housed within a Gothic cathedral.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

Devastated landscape used for hundreds of years by the Romans as their primary mining site.

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

Stunning Roman aqueduct used for 1900 years and still standing.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A breathtaking canyon offers stunning views and frightful pathways through an ecological paradise.

Village situated on a narrow volcanic escarpment.

Mountain where Jesus was first tempted by the Devil.

An icy lake tucked among jaw-dropping alpine panoramas.

The world's largest reflecting pool is just two centimeters deep.

Historic medieval fortified city in southwest France.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

A madman's personal garden filled with 1,000 sculpted heads.

Ham is serious business at the Prosciutto Museum-Serious, delicious business.

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

Jesus' footprints and the first catacombs in the world.

Anatomical cabinet holds unexpected treasures.

Bell tower juts out from a village buried under a lake.

One of the largest caves in the world open to the public.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.