Museum preserving torture methods from the past.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Teeny tiny hotel on the coast of the Canary Islands.

This mountaintop observatory is home to one of the world's largest reflective telescopes.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

Hundreds of caves once used to store grains and animal feed.

Rumors and legends of secret Nazi activities surround this eerily remote island mansion.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.