The world's oldest soul food restaurant is also one of its best.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

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

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

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

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

There’s a hidden military meme engraved on the World War II Memorial.

Every January 6, young men dive into Spring Bayou in search of a cross and a year's worth of maritime blessings.

The timeworn "Yankee Stadium" of the fastest game in the world isn't going anywhere.