A castle-inspired apartment building that has stood in Birmingham since 1927.

The remains of a foundry and old blast furnaces destroyed during the Civil War are preserved in this central Alabama park.

The permanent home of a 1960s traveling museum of tiny historical dioramas.

The whimsical construction on the roof has given rise to many a Montgomery myth about its contents.

Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.

Booker T. Washington's home at the Tuskegee Institute was a gem of splendor.

Inside this small brick bungalow is a collection of toys intended for the afterlife.

Tucked away atop a quaint Alabama pharmacy is this tiny display of antique medical tools.

A rusted metal giant pays tribute to Birmingham’s industrial past.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

A former taxidermist has turned his old shop into a folk art mecca.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

One person's lost luggage is another person's treasure.

A watchhouse constructed from tombstones, to make way for a burial pit, for the victims succumbing to a deadly disease.

When beetles destroyed these trees, they found new life as fantasy sculptures.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

A collection of more than 10,000 racist objects that teaches the atrocities of social injustice and intolerance in American history.

Detroit’s downtown castle is one of the oldest structures in the city.

Opulent downtown movie theater now houses cars as an indoor parking garage.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Strange physical sensations and optical contradictions keep visitors coming back for more.

Turnip-shaped island just off the Michigan shore in Lake Huron.