A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

A grove of colossal man-made flowers built to collect the sun's rays.

Austin’s nonprofit-run graffiti park where street art is meant to be painted over.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This super steep hike ascends 2,000 feet in less than a mile.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Beach instrument turned bed and breakfast.

Pirates had to be ousted from the land where this now ruined Louisiana fortress was built.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

A museum and shop on Bourbon Street located in the French Quarter.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The world's tallest statue of an American hero.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

These pretty kitties killed and ate as many as 135 railway workers.

A museum dedicated to the alleged Roswell Incident.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.