This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

A unique marker erected during the 18th century.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

The mistake that launched the commercial broiler chicken industry is immortalized in the town where it took place.

Once used as a deterrent to drinking alcohol.

These old doors are covered in the signatures of Rehoboth Beach artists dating back to the 1930s.

This fortress was built using the last surviving stones from the Lighthouse of Alexandria, one of the Seven Wonders of the Ancient World.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

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.