This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

All that remains of the once-booming chain is a single orange-roofed restaurant.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The national park was once a plantation estate.

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

Parking garage where Bob Woodward met Watergate source "Deep Throat."

This unique historical monument features large concrete spheres designed to resemble fallen stars.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

In what is rumored to be an intentional act of spite, this memorial almost completely obscures the nearby grave of a senior officer.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

The last remaining location of a drive-up hot dog stand named after a local pool shark.

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

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

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

A memorial dedicated to a highly decorated Marine and Korean War veteran, who also happened to be a horse.

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.

The only place for a truly presidential dram.

One of the Treasury Building's original columns now sits as a garden monument in the middle of a busy military base.

The final resting place of a prominent Black American farming family sits in the shadows of an IKEA store.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

A small, forgotten prison cemetery marked only by a wrought-iron fence and eerie depressions left in the ground.

This church is known as "The Home Church of George Washington and George Mason."