The homestead of American patriot John Adams.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

One of America's most historic homes also holds a startling literary legacy.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

Located in a beautifully restored ice house, this museum is the result of decades of hard work and devotion to the craft of plumbing.

"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."

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

A centuries-old church stands as a testament to Boston's "father of architecture."

Macabre astrological automaton clock dating to the late 1400s.

World's smallest skyscraper, the product of a remarkable con.