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

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

The site of Paul Revere's historic two lantern warning.

This subterranean funicular is one of the world's smallest subways.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

"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.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The record holder for the world’s largest peach.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

One of the oldest living oak trees in the Southeast.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

One poet's handmade, anachronistic home.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

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

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

A humble garage, world-famous for being the epicenter of a technology revolution.

From the Difference Engine to the Cray-1, all under one roof.