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

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

An art museum with an eclectic design and a scandalous past.

A 125-meter long "tribute to the Brazilian people."

Hear the quietest sound from across the dome.

A hands-off space for graffiti artists to hone and display their skills.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

2300-year-old Roman road connecting the empire.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

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

The final resting place of the poets Shelley and Keats.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

Rome’s legendary peephole vista is also a former Crusader stronghold.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Abandoned railway line circling the city of Paris.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

France's most famous cemetery, with some of its most curious tombs.

Site of a classic 19th-century physics experiment to prove the earth is rotating.