A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

The official Presidential Residence of Los Pinos became an emblem of Mexico's opulence and presidential corruption.

This old-school café is famous for serving coffee, chilaquiles, and the Cuban Revolution.

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

Part bookstore, part café, and part forest.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

A massive collection of rare and antique books in a tiny ranching community in northern Texas.

Scale replica of China's ancient terracotta tomb warriors and Forbidden City are the side project of an eccentric millionaire.

A statue in the Texas town that proudly calls itself the killer bee capital of the world.

The house's confection-like decorations are the result of one man's painstaking work over decades.

Mysterious glowing orbs float through the desert night.

A Prada store in the West Texas desert that is never open for business.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Rippling sand dunes frozen in the Arizona rock.

Dramatic river bend surrounds a natural red-rocked pedestal.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Most-visited and most-photographed slot canyon in the American Southwest.