A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

A 60-room castle constructed by a horse-racing heir.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

The oldest still-operating tavern in the United States was once owned by a pirate.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

One Confederate statue that accurately reflects the ugliness of its subject.

One street divides a single town that stands in two U.S. states.

One of the last active volcanoes on the Eastern seaboard.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

People escaping slavery may have hidden inside a corpse vault.

The early data processor factory founded in Washington for the 1890 U.S. Census went on to become IBM.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

A men’s restroom became a sandwich shop.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

An eerie, decaying ghost town destined to fade into the forest.

Taste the white whiskey that the United States' first president once distilled and enjoyed.