The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

Endless rows of boxes of paper records line the hallways of the archaic federal facility where guns are traced.

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

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

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

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

A monument marks the location of the first successful steamboat demonstration.

Bizarre Cavern.

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

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

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

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

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

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

This four-story steel sphere in Maryland was used to test biological weapons.

A Civil War Museum with some notable medical antiques.

A small 19th-century graveyard tucked away in the middle of a suburban neighborhood.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

This free, take-a-book shop seems like a trick but isn't.