In Rickwood Caverns, visitors can travel hundreds of feet underground and see beautiful formations unique to the region.

In 1911 this intersection was called "the heaviest corner in the South," an outlandish claim that only grew wilder over the years.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

Joe Minter is only doing the work of God in his yard, he says.

This historic train station has been converted to a locomotive themed hotel.

This 12-foot-tall T-rex is the largest K’Nex skeleton sculpture in the world.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

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

A natural history museum with an extensive collection of bird dioramas.

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

This 880-acre facility is home to a massive collection of vintage motorcycles and cars, as well as a 2.38-mile race course.

This fountain was commissioned by a mother grieving over her son's passing.

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

148 feet long and in the middle of a verdant forest.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A snapshot of the city's fascinating voodoo culture.

An oddities shop that dabbles in the deathly and beautiful.