A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

This eclectic natural history collection holds everything from a bit of the trans-atlantic cable to Hemingway's marlin.

This sprawling taxidermy collection celebrates the art and history of sport hunting.

A very big rock just plopped down in the New England woods.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

One car at a time please.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

An ancient glacial pothole waterfall in the heart of the Green Mountains.

Who is this marble man, perpetually creeping up the steps of his own mausoleum?

This cavernous abandoned marble mine is popular with ice skaters in the winter.

A red brick monolith is all that remains of New England’s first commercial brickyard.

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

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

The idyllic colonial home of the artist behind the famous portraits of George Washington and Thomas Jefferson.

Last church of this militaristic WWII style.

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

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

The oldest living cultivated fruit tree in North America.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

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

Hut with supplies for shipwreck survivors.

Overgrown ruins of a turn of the century island fort that sees very few visitors.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.