This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

An ancient neolithic tomb that only sees the sun twice a year.

"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."

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

"Mock all and sundry things, but leave the saints alone."

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

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

Two thousand artifacts from around the world collected by one woman who loved to travel.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.