The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

Rock face that shares a name with Mary Shelley's famous doctor.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

The 100-year-old public collection of a New Hampshire dentist that contains taxidermy, Native American artifacts, and a pair of mummy hands.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

Former abode of notable poet, complete with literary references and stories of ghosts.

Birthplace of America's first documented serial killer.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Even Henry David Thoreau found this glacial pothole irresistible.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

Millions of numbers carved in glass represent the tattoos forced upon victims.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

One of the indelible moments of the American Revolution took place at this location.

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

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

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

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