This red lake 4,000 meters above sea level is home to rare flamingos.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A little sculpture with a large wardrobe.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

The fairy tale castle of the "fairy-tale king."

Pilgrimage site for star-crossed lovers.

Most prolific publishing house in the 1600s open to the public.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

An underground city of salt.

This one-time health resort was used by aristocrats around the world.

A church of bones, decorated with 40,000 human skeletons.

The celebrated eyesore created by starry-eyed sweethearts.

This massive subterranean fissure is known as the "underground Grand Canyon."

Historic medieval fortified city in southwest France.

Macabre astrological automaton clock dating to the late 1400s.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Now containing the bones of the actual conquistador, instead of someone else.

A whimsical bridge adorned with decorative dragons.