Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

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

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

A toxic ghost town sitting atop a massive coal fire.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

The national park was once a plantation estate.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

An overlooked memorial honoring the local Washington residents who died in World War I.

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

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.

The rusting remains are visible sticking out of the waters of the Delaware Bay.