"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

This statue commemorates the importance of hat manufacturing to Danbury, once known as the "Hat City of the World."

This classic steam-powered train takes tourists on a nostalgic trip around the Connecticut River Valley.

The "possessed" house that inspired "The Haunting in Connecticut" book and movie.

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

Ruins of a historic medical facility sits eerily by the water.

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

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

Explore the dark underground corridors of this graffiti-covered former military fortification.

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.

A mural of a boy making a phone call connects a southern Maine community to a town in Iraq.

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

A beautiful, water-filled quarry that has become a popular haunt for swimmers and artists.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A historic neighborhood church is reborn as a psychedelic arts collective.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

A derelict bit of transportation infrastructure hidden in the woods.

The national park was once a plantation estate.

The span is crooked and made from two older recycled bridges.

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.