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

Radical Bookstore and Community Space.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

Three prestigious academic collections come together to create a world-class natural history museum.

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

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

Friction between grains of sand cause a curious "singing" sound.

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

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

An eccentric inventor's castle home with its own indoor weather system.

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

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

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.