This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

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

This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

This giant Massachusetts sycamore is said to hold the dubious distinction of being the "widest tree East of the Mississippi!"

Mass Grave of 48 colonists killed in a raid by Native Americans and the French in 1704.

The last vessel built by a submarine pioneer stands as a monument to his legacy.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

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

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

The graffitied ruins stand hidden within the Pennsylvania woods.

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

The first and only carousel with a lineup entirely of insects.

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

An abandoned Victorian-era mill in the middle of modern Manchester.

A once-booming railroad left abandoned next to the Quinnipiac River marshes now intersects with a hiking trail.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

You can spend the night as an honorary lighthouse keeper in this quaint, historic beacon.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

A recently abandoned psych ward at the end of Sanatorium Road.

Underground tunnels remain beneath this abandoned mental asylum.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.