A valley of unique erosion patterns lends to a view like nothing on Earth.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

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

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

An ancient Incan convent on Lake Titicaca's Island of the Moon.

In La Paz's huge, city-sized cemetery, the deceased are stored in rows of apartment-like buildings.

Museum dedicated to the sacred leaf of the Andes.

The soaring gondola lines form the longest aerial cable car system in the world.

Bolivia's needle-like rock formations.

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.

Halfway up a volcano at the edge of the world’s largest salt flats is a cave with seven mummies.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

A marvel of Byzantine engineering under the streets of Istanbul.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

A bit of retro transportation flair preserved in the world's largest department store.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.