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

A historic coal mine that doubles as a museum and tourist attraction.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

The only airport with a people mover system designed by Walt Disney Imagineering.

This historical marker is all that remains of Octagon City, Kansas, a failed vegetarian utopia.

Formerly the most gerrymandered district in the U.S., it twisted and turned along racial borders.

A winding district gerrymandered into the shape of a mantis.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

The National Park Service’s best-kept secret with views that rival any in D.C.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

This pair of centuries-old magnolia trees was once struck by a Babe Ruth home run.

A herd of plastic cows hangs out under this transmission tower in rural Georgia.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.