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

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

This small museum tucked within a subway station holds pieces from Madrid's past.

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

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

The earliest known map to show America, discovered by accident at a Paris bookshop.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

The narrowest street in the world is in danger of closing up entirely.

This giant statue of a vulva became internationally famous after an American exchange student got stuck in it.

An old slaughterhouse now holds the largest collection of pig artifacts.

France's most famous cemetery, with some of its most curious tombs.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

An alchemist's "magic door" stands in the middle of a Roman park.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

You haven’t properly toured a winery until you’ve slept in an actual wine barrel.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

Albert Einstein's head sticks out of a snail shell stacked on a rocket in this truly bizarre monument to the scientist.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

The many—66 to be exact—faces of the German forest.

The atomic museum in the basement of this German castle displays long strands of replica uranium cubes.

A striking 12th-century-style castle built on the edge of a cliff.

The remains of three Luftwaffe launch pads designed for manned anti-aircraft missiles.

One of the world's oldest fossil exhibits is on display in a beautiful antique "naturalienkabinett."