Former home of an abolitionist couple who escaped slavery and established the most active Underground Railroad stop in Boston.

Harry Houdini plunged into the Charles River and performed one of his escape acts here in 1908.

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

The infamous Boston Mob ran rackets from an office here in the 1970s.

Tragedy on Little Brewster Island memorialized.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Narrowest house in Boston.

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

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

This landmark cemetery in Boston was created more than 300 years ago.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

A well-worn trail through thick woods in northern Montgomery County leads to an old schoolhouse.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

A well-preserved quarry and six of eight continuous burning pot kilns used to make burnt lime and crushed stone are highlights of the self-guided walking tour in Fountain Rock Park.

Take a trip to the past aboard a 1920s railcar or open flatcar for a scenic ride through Maryland farm country.

This heritage museum highlights the importance of the dairy cow as a vital part of rural Maryland's past, present, and future.

A ghostly cabin attempts to reverse the erasure of enslaved people through poetry.

In October 1856, Harriet Tubman escaped arrest at this site while attempting to reunite an enslaved woman named Tilly with her fiancé.

This 17th-century place of worship still celebrates holidays in the traditional Swedish fashion.

What if the Fountain of Youth was actually found in Delaware? One historic coastal town believes it to be true.