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

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

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

The only place for a truly presidential dram.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

At 207 feet, one of the world's longest continuous escalators.

The highest point in Virginia can only be reached by passing through ponies and flowers.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

A Nessie-like monster supposedly lurks in this lake.

Step back in time on this preserved 1800s farm.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The record holder for the world’s largest peach.

An underground magnet for ever-changing street art.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Yo, Adrian!

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.