This 252 step staircase offers stunning views of San Jose.

A grand entrance to one of the world's smallest Chinatowns.

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

These subterranean models show Mexico City's central square during three different eras.

This Mexico City subway station will make you feel like you've been transported to the London Underground.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

A Volkswagen Beetle decorated with millions of beads connects Mexico's past and future.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

Beneath the most controversial monument in Mexico City is a cultural center that exhibits only digital art.

Part bookstore, part café, and part forest.

A series of modernist, abstract sculptures form a route created as part of the 1968 Olympics' Cultural Olympiad.

Inside the cloister of the Temple of San Juan Bautista is a ceiling decorated with gold Baroque illustrations.

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

This ancient structure was built by a mysterious civilization that was largely destroyed by a volcanic eruption.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

The longest covered bridge in Delaware.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

One of the Cemestos prefab homes built to secretly house thousands of Manhattan Project workers.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This maze-like slot canyon is a unique gem within an already fascinating geological area.