Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

Resonating tubes make music from highway overpass.

This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

A nearly 100-year-old dining car in upstate New York embodies the golden age of roadside dining.

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

A distillery built on (and above!) mobster Dutch Schultz's Prohibition-era underground moonshine business.

An enormous cat made of recycled wood scraps.

The Hudson River School comes alive at this palatial estate.

Retirement home where the actress who played the Wicked Witch of the West passed away.

The final resting place of a wealthy landowner who helped create the largest public park in Western Massachusetts.

The monumental steeple on Amherst College's campus has no church attached to it.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

It was founded by Ralph Nader to educate the public about an often-maligned area of law.

This locally-famous crevasse in New York State is icy all year round.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.