A small and somewhat hidden memorial to 68 local veterans of the Vietnam War.

One of Alaska's most significant ancient sites, spanning millennia and cultures, is right under the feet of some famously fat bears.

This museum started by a curious collector is now a place for believers and skeptics alike.

Visit the secret grave of a legendary privateer who faked his own death.

See four top-secret US spy aircraft of the Cold War era, including the legendary SR-71 Blackbird and the A-12 Oxcart.

California's longest-running tourist attraction is a stump.

A rare wayfinding portmanteau of “Street” and “Avenue.”

A stone pillar commemorates the surrender of the extraordinary Apache leader.

Tile mosaics and quotes from Pablo Picasso add an artistic flair to these bus stop benches.

Tucked away on a hilltop in the backwoods of Mississippi lies the remains of a blues legend.

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.

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