A museum dedicated to "science, history and the arts" little changed since 1915.

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."

A gas station and a state sign commemorating the most famous claims of extraterrestrial abduction.

Stumps of an Ice Age forest, visible only at low tide.

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

According to the experts at the Guinness World's Record office, this is the longest candy counter in the world.

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

America's oldest archaeological site or a muddled case of wishful thinking.

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.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

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

The world's largest piece of copyrighted artwork.

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

These whimsical works of art tell the story of the city's past and present.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

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

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

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

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

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