The remains of diamond fever taken over by the desert.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

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

Village situated on a narrow volcanic escarpment.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

The world's oldest bookshop still in operation.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Houses are tucked between, on, and underneath giant boulders.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.