A luxuriant botanical garden below sea level.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

A mysterious castle built as a monument to lost love.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

One of the oldest art supply stores in the United States.

Meet Rita the Rock Planter, one of Danish sculptor Thomas Dambo's enormous wooden trolls.

A monument at the site of the Towner School Bus Tragedy, which lead to changes in school bus safety.

A quiet rock and botanical garden is the beautiful centerpiece of Fort Lewis College.

A tiny town’s tiny museum with some gigantic residents.

The warmth and creative kitsch of a quilt engulf every patron who visits.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

This drive-by, rotating mini-gallery is nestled in the suburbs of Colorado.

A riverside tiny house with books and other treasures galore.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

This marker identifies the location where three states converge.

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

A hotel with a rich Wild West history of miners and bootleggers.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

This simple stone monument honors a 19th-century tragedy.

A rancher expanding a natural spring for his cattle came up with bones – lots and lots of them.

These ruins are all that's left of the former Alabama State Capitol.