This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

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

Decades before the scandal, this staircase on the river was a literal "water gate."

A historic ruin just 20 feet away from a busy highway onramp.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

Home to drunken tower-climbing goats... seriously.

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

This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

A work of art that pays homage to a Victorian timepiece in Providence.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

A museum dedicated to the history of electric interurban transit near the home of the first electric trolley system in the United States.

Two gushing waterfalls of hot spring water within a block of each other.

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

This tiny, triangular block has held the world record since 1964.

A Route 66 filling station that was designed to resemble the Hagia Sophia, and is now the symbol of an arts district.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).