The site of the largest mass execution in Rhode Island history, haunted by the ghosts of hanged pirates.

An actual piece of the Moon, brought down to Earth by Apollo 15.

A tiny memorial for the year the Connecticut River almost destroyed New England.

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

An easy-to-miss plaque marks the building that first held this 19th-century telephone innovation.

This historic railway museum may have lost its passengers but not its love for trains.

A tribute to the truly loyal dog who waited outside a hospital for his owner to come back.

Connecticut sites linked to the only trial to ever use demonic possession as a criminal defense.

These etchings reveal the history of a long-gone quarantine site.

The cave where two British judges hid in exile after sentencing the king to death.

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

The graves of a Connecticut family thought to have been plagued by a vampire.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

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

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

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

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

The intriguing personal collection of a professional demon-chaser.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

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

The site of one of the deadliest skirmishes during the Battle of Fredricksburg.

Even Henry David Thoreau found this glacial pothole irresistible.

America's oldest archaeological site or a muddled case of wishful thinking.

The Wright Tavern is possibly the most important building in Concord Massachusetts to the American Revolution.