The romance of early commercial flight still fills this Art Deco destination.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

This museum sits on the site of a decommissioned military communications base.

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

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

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

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

An original apothecary from 1792.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

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

The land is home to swimming ponies and a legendary 18th-century treasure.

The trials and tribulations of marking Poe's grave.

A bypass decorated with large wooden troll carvings.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

One of the first big sculptures anywhere in Australia.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

You thought Santa Claus didn't exist, but it turns out you were wrong.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.