This space-age looking obelisk rises over a city in the rainforest, meant to resemble the local castaña tree.

A fascinating little museum all about the rich history of Peru’s famous plant.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

The world's largest clay lick, where parrots gather to snack.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

An unexpected desert oasis in South America.

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

A market for witches is hidden within a train station.

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

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

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

This iconic water tower and failed bandstand is open for panoramic views once a year.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

A museum in the former home of Marxist revolutionary Leon Trotsky.

66,000 pieces of art, donated by one of the world's richest men.

Frida Kahlo's childhood home, now a museum of her life and works.

CDMX's home for the world's culinary delights.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

Part bookstore, part café, and part forest.

The only castle in North America to ever house European sovereigns.

Where layer cakes tower above one’s head and there is never a shortage of icing.