This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

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

She stares out across six lanes of traffic, clutching a musket and infant with determination.

The rogue roots are gradually consuming some of the historic marble grave markers.

A building shaped like the Army Corps of Engineers logo, because why not?

The whole world in one water tank.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

One of the only memorials dedicated to journalists who died in combat.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

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

This one-room cabin where the young colonel slept during the French and Indian War.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

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

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.