This site is believed to be connected to the oldest house in Arlington County.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

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

The narrowest house in America is seven feet of pure spite.

This small pedestal marks the spot of the first lot of land sold in Alexandria, Virginia in 1749.

A former major munitions plant that has been converted into a sprawling art space.

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

This pharmacist and his patient greet visitors to the National Community Pharmacists Association.

Play heads or tails with thousands of different coins.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This lavish room in a New York City mansion is a rare relic from the end of the Gilded Age.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

New York's oldest and possibly grandest keeper of books.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

A hands-on traveling collection of the innovative devices of yesteryear.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

A Ukrainian church canteen doles out hearty fare in an East Village basement.

A terrific purveyor of natural history objects and curios.

New York City's only preserved family home from the 19th century.