Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Home to items never before seen by the public.

The United States Capitol's former columns still stand.

The site of the climactic scene from the classic horror film is now a historic landmark.

The childhood home of the meat inspector who would become the face of America.

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.

Books you don’t need in a place you can’t find.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

A giant telephone commemorates the last "crank" call ever made in the U.S.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

New England's tallest light house stands on an island with a history of cannibalism and death.

Its unique collection details the history of the state's svelte railroads.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The world's largest rotating world.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

Mass Grave of 48 colonists killed in a raid by Native Americans and the French in 1704.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

The Vermont square that inspired Shirley Jackson's "The Lottery."

This historic folk museum celebrates the attention to detail that makes America great.

Stand at the center of this lakefront sundial, and you'll become part of the timepiece.