The ruins of a Florida miracle spring resort make it seem like a wonder that this was ever a health spa.

The site of Martin Luther King Jr.'s arrest as he attempted to have lunch.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

It's a pretty creepy lock-up.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

The empty tomb that houses the memories of Roy Bertelli's revenge.

One of the largest carillons in the world, this giant instrument has 67 cast-iron bells played by a keyboard.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Abraham Lincoln's likeness rests at the top of this giant totem pole.

The poet’s boyhood home is now dedicated to celebrating his life and legacy.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

A version of this picturesque mill has existed since the 1800s.

A small town Romanian cemetery filled with darkly humorous gravestones.

Romania's triumphal arch looks out over Bucharest.

17th century palace once a meeting place for politicians.

After sitting unused for decades, this abandoned communist infrastructure became a wildlife utopia.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.