The angel of death appears to weep black tears at this grave marker.

The largest earthwork effigy in the world.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

Perhaps the most scandalous statue of America's first president.

The house where John Wilkes Booth conspired with his co-conspirators.

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

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

The hide of Stonewall Jackson's equine sidekick is on display not far from where the ashes of his bones are buried.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

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

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

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

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.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

An original apothecary from 1792.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

The time thousands of bags of chips washed ashore in the Outer Banks is memorialized in a local museum.

A maritime museum holding the remains of Blackbeard's pirate ship.

This North Carolina grave is the final resting place of the world's most famous conjoined twins.