European castle ruins in an American state park are actually the product of death and grief.

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

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.

The resting place of a Civil War celebrity's amputated limb.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

Exact replica of the ancient monument, but much, much lighter.

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

An eclectic treasure trove of maritime marvels.

Working compound meant to allow visitors to reclaim the values and traditions of the past.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

The smallest post office in the United States is no bigger than a broom closet.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

Would you like a sleeper hold with that?

These crumbling foundations are all that remain of the once-stately 1840s manor that gave the town of Bradenton its name.

Believed to be haunted, this old cemetery is beautifully adorned with Spanish moss hanging from the trees.

The island residents are known for taking their quirky sense of humor with them to the grave.

A building so large that it has its own weather.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

The so-called "world's shortest river" is actually a window into a cave.

A monument celebrating the idea of reaching inaccessible places.