Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

This general store has stood in the same spot for well over a century.

This bell is one of the last remnants of the lost city of Triadelphia.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

An allegorical sculpture in Maryland wears the artist’s politics on its trunk.

These five Art Deco homes were meant to solve the "small house problem."

Two dozen pinball games hidden away inside a most unlikely location.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

A relic of FDR's brief foray into utopian urban planning.

The world's oldest continuously operating airport was founded by the Wright Brothers.

An unusual sculpture, an interesting history, in a strange place, for a good cause.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

So many migrating birds roost on the bridge, it has a special summer speed limit.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

The largest retailer of seashells in the world.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

One of the best places to see wild Colonial Spanish Mustangs in the United States.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A rotating cast of guys and dolls in front of a Washington, D.C. building.