One man built this massive wall to keep his neighbor from complaining about working on Sundays.

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

This exhibit is one of the largest and most well-preserved collections of Jurassic-era trackways in the United States.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

Dedicated to one of the world's first Black international, athletic superstars.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

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

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

A strange, heartwarming, decades-old declaration of love on a New Hampshire roadside.

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

Utopia and nostalgia mingle at the site of Bronson Alcott's ill-fated agrarian commune.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

This boulder with a 200-word legal dedication to God has remained hidden in the woods for over 150 years.

A grave surprise in the downtown area of New England's second-largest city.

The only surviving building of historic West Boylston, which was flooded to create the Wachusett Reservoir.

The Burnside Fountain and its questionable interpretation.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.