Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

An artist sees trees as a medium for sculpture.

America's first serial killer rests in anonymity.

The headquarters of the famous Yale society.

This stunning Connecticut mansion is actually just a one-room-deep hoax.

An abandoned Depression-era zoo hidden just off the highway.

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

A seasonal movie monster museum featuring wax creations by a relative of one of the original Universal Studios monsters.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

An abandoned castle owned and ignored by Masons carries a cursed history.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Whale bones, scrimshaw, and sperm oil make up just a part of this comprehensive collection of whaling history.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

Memorial to one of the most fatal fires in both circus and U.S. history.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

A terrific purveyor of natural history objects and curios.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

An abandoned asylum where patients have been forgotten but their possessions remain.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.