Macabre astrological automaton clock dating to the late 1400s.

A windswept sandstone overlook offers sweeping views across an ancient plateau.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A monument to a 19th-century Irish woman whose murder inspired several literary works.

Dr Barnes' $25 billion private collection of art and arboretum.

The world’s first penitentiary, meant to be humane, drove men insane.

Under some of the darkest skies east of the Mississippi, this park invites you to look up into the Milky Way.

A museum dedicated to exhibiting remarkable outsider art.

Soak in the sacred vibes at this beloved food and coffee hangout inside a former church.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

Tucked into Pittsburgh’s North Side, the Mattress Factory is a labyrinth of permanent, room-sized installations where artists transform entire spaces into mind-bending, immersive worlds.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

West Virginia’s largest bog is home to rare carnivorous plants.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

Five mythical trolls have taken up residence in woods and hidden on paths at the Coastal Maine Botanical Gardens.

A layered tribute to the work of mosaicist Isaiah Zagar.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

Home to three historic ships from the age of Vikings.

This handsomely carved wooden church is more than 800 years old.

This covered bridge was used by both Union and Confederate troops during the Battle of Gettysburg in 1863.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.