This romantic, decaying 13th-century ruin on the edge of Sherwood Forest is reputedly one of England's most haunted places.

The young Black revolutionary was killed before getting to see a non-segregated pool in his hometown.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

The Brutalist building harbors an unusual inverted dome that swoops down over its central sacred room.

The only microgravity tower in Europe can produce nine seconds of weightlessness.

This golfball sized platinum iridium cylinder is the official starting point for all national weight calibrations

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

A hidden tunnel of bones in one of Malta's oldest churches.

The remains of the concrete ship can be seen during low tide.

This doorless 20th-century elevator doesn't stop or slow down.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

The remote graves mark the mysterious deaths of four 19th century explorers.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

A slightly surreal menagerie of structures that were lovingly spared from demolition and reconstructed in a field.

This 19th century train workshop is a treasure trove of railroad history.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

This tiny 1930s Art Deco airport is a beautiful remnant of a bygone era.

The fungus-shaped vintage gas station has served multiple purposes over its lifetime, and now serves ice cream.