The oldest automobile museum in the United States.

Catch a ride through the Pennsylvania countryside on this historic narrow-gauge railroad.

Step inside Lucy, the world's largest "elephant."

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

The one-time office of the architectural firm that ushered in the Gilded Age is now a Club Monaco.

The former hotel where Tesla invented the radio.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

Elevated freight railway turned wildly successful urban park.

The tragic tale of the dentist who pioneered the use of anesthesia.

This museum dedicated to local history is housed in the state's oldest surviving fire station.

The former home of the oldest nail maker in the United States was built on the ashes of a mill burned by the British.

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

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

A monument to the groundbreaking environmentalist sits near the place where she first experienced the sea.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.

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

The grave of Mary Nasson is shrouded by witchy legends.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.