Home of a 28-foot tall stalagmite known as the War Club.

This abandoned train tunnel has been the subject of countless ghost stories for years.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

This abandoned amusement park was built on a site with a dark history.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

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

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

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

Narrowest house in Boston.

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

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