The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

One of the largest public collection of historic armored and military vehicles in North America.

"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 is the house that spite built.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

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

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

The macabre paintings created by famous suicide proponent Jack Kevorkian, or "Dr. Death."

The homestead of American patriot John Adams.

A historic bridge with a lovely acoustic anomaly.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

It's not a typo, now say it five times fast!

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This 50-foot rock formation looked like a face that was once believed to be that of a Native American chief.

As state high-points-by-elevation go this spot is one of the lowest, but for years it was also the hardest to climb.

A 60-room castle constructed by a horse-racing heir.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Eco-friendly island mansion.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

One man's swirling six-acre monument of stone.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.