This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

A building so large that it has its own weather.

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

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

A historic lighthouse steeped in rumors of ghost and pirate stories.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

Iconic rock formations that allow for exploration during high or low tide.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

A hamlet full of permanent Christmas spirit holds one of the earliest theme parks in the United States.

The summit Roosevelt conquered before he descended to become The Chief.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

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

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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