A historic cemetery filled with quirky faux wood art and unique tombstones.

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

A remote horde of architectural treasures fit for Indiana Jones.

Built by the patriotic residents of Boonsboro in a single day.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

An eerie, decaying ghost town destined to fade into the forest.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

A priceless collection of the Nation's cryptologic history.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

An astounding collection of medical specimens, including bits of President Lincoln.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe's grave.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

This museum explores the grim reality of life in the earliest British colonies in America.

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

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.

An overgrown garden stands as a grim marker of an unrealized dream.