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

Statue commemorating the use of ether in anesthesia.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The best place for scenic views of the DMZ and North Korea.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Near the summit of Mount Washington, a stone monument remembers a life lost to one of the mountain's infamous storms.

A beautiful Gilded Age hotel in the White Mountains with surprising diplomatic history.

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

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.

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

The nation's second-ever First Lady urged the founding fathers to "remember the ladies."

The homestead of American patriot John Adams.

Annual celebration commemorating the 1965 sighting of strange lights in the town.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A former zoo turned public park, where visitors can hang out in the old animal cages.

A quiet spot commemorating two naturalists who had to choose between love and the university at which they both taught.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

Just below the surface, shrimp are producing temperatures hotter than the sun.

This kitsch eatery is chock-a-block with bric-a-brac.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

This location of a Mexican chain restaurant has a unique location: an old jail.

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