The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

A cave dug by a man directed by ghosts to find pirate treasure.

This headstone-like marker inscribed with three words has been an utter mystery for over a century.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

No one really knows how these old hobby horses got here, but the herd keeps growing.

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

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

Eliot was the first missionary to produce religious text for Algonquians in their own language.

Statue commemorating the use of ether in anesthesia.

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

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.

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

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

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

These whimsical works of art tell the story of the city's past and present.