Switzerland's oldest public observatory is an important part of the Zurich cityscape.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

One of only two commuter aerial tramways in the United States.

Established in 1937, the oldest candy shop in New York City boasts a rainbow-colored inventory that would make Willy Wonka envious.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

Plot your trip through the city on the sidewalk.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

One kilometer of thick brass rod laid out before your eyes.

The collection of intricate sculptures includes one carved from a mammoth's tusk

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

Part bookstore, part café, and part forest.

This beautiful and unmissable little museum is full of fascinating artifacts from Mesoamerica's great civilizations.

The scene of a legendary hunt is displayed on this building's facade.

An indigenous take on European design creates a stunning visual overload.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

The Mexican painter Diego Rivera created this unusual museum to display his collection of pre-Hispanic artifacts.

Its incredible collections are dedicated to preserving Mexico's film history.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

Abandoned figurines adorn a small plot on the side of a craft market's entrance.

This laboratory has a remarkable concrete roof that measures less than an inch at its thickest point.

This mid-century mural portrays humankind's spiritual and scientific journey.

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

The famous artist couple lived and worked here, in two different houses separated by a bridge.