This massive 286,200-tile mosaic was the largest mural of its kind in the United States and is an early example of computer-generated art.

An authentic Dutch windmill, built in the Netherlands and shipped to Wisconsin.

This solitary gravestone is separated from the rest in Appleton, explaining why local legends continue to surround it.

This whimsical sculpture garden is a local treasure.

A bypass decorated with large wooden troll carvings.

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

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

A Gilded Age hotel turned eclectic museum of Tiffany glass and curiosities

A lion given to the prime minister somehow got stuffed and sent to Florida.

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

St. Augustine's record-setting narrow street was designed to protect against pirates.

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

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A tribute to Ponce de Leon's supposed quest for eternal youth.

This shrine commemorates the site of the first known Catholic mass in the United States.

An oversized bluebird statue returns to its rightful place on Vilano Beach pier.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

This historic hotel has hosted the likes of Babe Ruth, Jimmy Carter, and the Vanderbilts.

Among the strip malls and stoplights stands a giant, orange T. rex made of concrete with glowing red eyes.

The hidden lair of an alchemist rediscovered in a 2002 flood.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A grumpy old water goblin guarding an old mill on the Devil’s Stream in Prague.