An acoustic anomaly with a mysterious cause.

Art blooms at this unique outdoor gallery along the banks of the Arkansas River.

One of the oldest show caves in Arkansas.

This historic bridge has weathered fires and floods and still stands, now abandoned, where it has stood since 1874.

A sculpture for the sun and stars, created by Nancy Holt.

This tiny, triangular block has held the world record since 1964.

Dothan, Alabama has been invaded by scores of anthropomorphic peanuts.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Only through the lens of a microscope can visitors see the true treasures inside this museum.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

Built to replace a house destroyed by a hurricane, this home is made entirely of shipping containers.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

Where monkeys run wild and the humans are caged.

Found: Garden of Eden in Miami-Dade County, Florida.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

Stay in a room with a view... of the bottom of the ocean.

A mysterious castle built as a monument to lost love.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

An oddity shop inspired by the history of the circus.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

This post-war motel embodies a little-known, Miami-born architectural style.

A swamp that was the site of prehistoric water burials also managed to preserve its corpses for millennia.

Measuring approximately 200 feet long, Swampy is the world's largest alligator-shaped building.