A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Mexico's astounding mummy museum with "the world's smallest mummy."

Take in a sweeping views of Guanajuato—and save yourself a hike up a steep hill—on this funicular.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

Famously misunderstood wonder of the ancient world

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Step into a pastel time capsule where candy is truly dandy.

An office built to look like a giant basket.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

The childhood home of the Wright Brothers in Dayton.

A castle built by an eccentric medieval enthusiast in suburban Ohio.

What is it about mushrooms that makes people wish they lived inside of them?

This magnificent Cincinnati graveyard is also a popular public park.

Where beautiful signs live on forever.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

The largest permanent Monopoly board makes one of the longest games even bigger.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

A miniature village mimics the surrounding buildings so well it includes itself.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.