The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

Towns with a resource known as "white gold," valuable enough to fight a war over, now stand ghostly and empty.

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

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

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

Museum dedicated to the sacred leaf of the Andes.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

The Uros people live on floating reed islands in lake Titicaca.

A black and white solution to the Bolivian city's traffic problems.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

An Inca spa, military outpost or maybe… both?

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

A park with one large cat sculpture and 15 smaller ones, all painted by different Colombian artists.

This home is decked out like a psychedelic explosion of colors and bowling balls.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

The gambling entrepreneur who built a city was also an avid collector of classic cars.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

This slender three-story building has also had several famous residents.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

A mysterious castle built as a monument to lost love.