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

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

You can release a young butterfly at this beautiful indoor garden.

The former headquarters of a leader in the Mexican Revolution, and the site of an often-reproduced image.

The ruins of an abandoned church mingle with the graves at Oaxaca’s General Cemetery.

An incredible collection of Mesoamerican art assembled by one of Mexico's great artists.

This graveyard boasts a medley of diverse and imaginative funeral architecture.

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

This French cemetery houses some of the most exquisite examples of funerary art in Mexico City.

Nicknamed the "Grand Canyon of the North," this open-pit mine in Minnesota has a much shorter history.

Home to a 26-foot-tall statue of an American icon.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

A pair of gigantic baby heads greet passengers at Atocha Station.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.