The 25th President's marble casket can be visited in this classical Ohio tomb.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

The only presidential monument to display a late POTUS's actual casket.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

A collection of full-size movie monsters opened to the public.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

This sprawling taxidermy collection celebrates the art and history of sport hunting.

This two-room factory has been cranking out the musical signifier of zaniness for a century.

A natural gas leak provides a flickering flame beneath a waterfall.

The seat of Buffalo government is a gorgeous Art Deco palace.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

A giant concrete egg marks this Indiana town as the "Egg Basket of the Midwest."

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

This replica of the Greek structure is in the heart of Nashville.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.