Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

A monument to the Mohawk people stands along an old Native American trade route.

Over 50 whirling pools left behind from the glacial age.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

A symbol of Texas pride.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

This downtown Dallas art installation is always on the lookout.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

The "lovely red Vega" of the legendary record-settling pilot.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

A rare 16-bedroom Qing Dynasty house re-erected on the campus of the Peabody Essex Museum. 

Historic house still contains bullet holes from an overlooked battle of the American Revolution.

A cave dug by a man directed by ghosts to find pirate treasure.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

This library and museum is dedicated to the life and literature of the Indianapolis native author.

This former office building has been transformed into an immersive music venue and art space.

More than 200 unconventional musical instruments that anyone can play.

A war memorial that appears to ascend from its forested setting.

A tribute to Samuel Wilson, who may be the original "Uncle Sam."