Oldest synagogue in the United States.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

A famous flea market artist's studio that's full of odds and ends.

A museum within a museum, devoted to history's most questionable medical devices.

The site of one of history's most indelible and horrific tragedies.

An eclectic treasure trove of maritime marvels.

From working out of his garage to the James Beard semifinals, one Tucson baker has kept his fan base—and his grains—local.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

This 19th century granite fortification is one of the most well preserved forts in New England.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

"Try not to knock anything over!"

A man in a plane delivers Christmas packages to lighthouses.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

This historic Boston building has gone from personal estate to porn theater and back again.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

A lighthouse on a diminutive island was one of the first of its kind to guide seamen home.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Hut with supplies for shipwreck survivors.

A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.