A colorful "forest" made entirely from three tons of recycled plastic waste.

A "time traveler's" vision of human history stretches throughout Mexico City's Copilco metro station.

This architectural wonder of Mexico City houses several art schools and national research centers.

The museum houses "the most studied meteorite in history," among other geological oddities.

This industrial Art Nouveau gem is a historic hotspot for Mexican counterculture.

One of the world's richest men bought this former paper factory and transformed it into a mall.

This warehouse-gallery-shop hybrid showcases Mexican craftwork at its best.

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

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

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

Get a privileged view over Mexico City's Historic Center from a terrace right in its heart.

Psychedelic murals coat the inside of a nondescript research library.

At a museum of everyday objects, it is the act of collecting that is really on display.

Diego Rivera's massive tiled fountain and failed infrastructure project.

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

Twelve natural mummies are displayed in the crypt of this former monastery school.

A church dedicated to the Mexican skeleton saint.

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

Part bookstore, part café, and part forest.

The first American axe throwing club.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

The abandoned coal loading dock is a canvas for unsanctioned art.