The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

A moving tribute to a leader of the American abolitionist movement.

But did the famous feminist and abolitionist ever really say those iconic four words?

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

This campus museum commemorates a national tragedy.

This former tuberculosis treatment facility now stands at the center of a public park.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

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

This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.

Though his role as the inventor of baseball may be up for debate, fans still festoon Doubleday's grave with baseballs.

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

The two writers famously didn't come to blows over the Oxford comma.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

This icon of the Atomic Age now lays dormant.

The last street in Pittsburgh that's paved with wood.

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

The former home of the woman who successfully fought to integrate restaurants in Washington, D.C.

A promising candidate for the lost rock laid by George Washington was unearthed, but the hunt is still on.

This nine-story building is the oldest standing skyscraper in D.C.

The early data processor factory founded in Washington for the 1890 U.S. Census went on to become IBM.