A stone memorial erected for New Hampshire's only convicted witch.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

Abandoned for over a century, this chilling train tunnel is now a destination for ghost hunters.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.

Built more as a work of art than living quarters, this cottage has withstood the test of time.

A complicated, forgotten beacon of hope for thousands of immigrants, "Canada's Emerald Isle" lies in ruin.

The location of Puerto Rico's first water bottling plant, thanks to a collaboration between Mother Nature and technology.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

A crumbling hospital from the 1850s on Roosevelt Island.

A Saint Nicholas-themed ghost town in the Mojave desert.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

When it opened during the final years of the embargo, all the drinks and cigars were free.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Rising from the sea like a stone monster.

The ruins of an ancient fortification wall sit in front of and underneath this boutique hotel.