The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

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.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

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

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

This erect, phallic geological spire wasn't always named so domestically.

A building so large that it has its own weather.

Town of spiritualists and mediums in Florida.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

These cinderblock farmhouses were actually World War II radar stations in disguise.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Noble beasts perhaps, but not the Emperor's dogs.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.