Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Radical Bookstore and Community Space.

Dim sum, served in a grand old theater.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

The Boston square dedicated to the dark poet who was born nearby.

An enormous, inside-out glass globe built in 1935.

Two thousand artifacts from around the world collected by one woman who loved to travel.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

For decades, this waterfall remained hidden because of an artificial dam.

Inside the unassuming cemetery chapel is a magnificent stained glass window and mosaics.

A fiberglass jungle, deep in the wilds of the Cleveland suburbs.

This tiny museum kept in a B&B laundry room holds the death mask of notorious bank robber Pretty Boy Floyd.

Superfans of The Shawshank Redemption can take a driving tour of most of the films real locations.

Unique collection containing a wide and curious range of contraceptive items.

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

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

Medical history museum featuring a lovely doctor's office from the 1800s.

An abandoned asylum incorporated into a college campus.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

What is it about mushrooms that makes people wish they lived inside of them?