Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

This New England drive-in was built to straddle the border between two states.

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

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

This Art Deco theater is the last remaining opera house in the “little Broadway of the North.”

This candy-striped tower is the farthest east you can go in the United States.

Walk the same tracks that once ferried Gilded Age aristocrats to their vacation destinations.

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.

The largest tidal whirlpool in the Western Hemisphere.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This uninhabited island in Maine is home to various works of art left by visitors over the years.

The world's oldest and largest museum of mass transit vehicles.

This Maine bridge may be the last wire-supported bridge of its type in the world.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

The sea urchin sculpture is an unusual commemoration of a New England town's seafaring history.

This art display in Dedham honors a local fish, and is dedicated to the volunteers who restored the canal.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

Once a kitschy symbol for a gift shop, this 38-foot seahorse is now a staple roadside attraction.

Colorful clay cliffs tower over an unofficial nudist beach on Martha's Vineyard.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

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

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

One of the now-less-hidden floral gems of the "Emerald Necklace."