Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

This Virginia town has been famous for its fried chicken since the 19th century.

This old-fashioned carhop restaurant gave the world the waffle cone.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

The first American woman to win the Nobel Prize in literature came from the foothills of Appalachia.

One of the most spectacular 18th-century bridges in Scotland.

One of Rome's most picturesque and original bridges was also a popular choice for Grand Tour artists.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Standing for over 200 years, the abandoned home of a Revolutionary War hero and later a succession of prison superintendents.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A veritable variety of odds and ends.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

A semi-scholarly approach to sex.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

World's largest herd of white deer populate a former U.S. Army depot.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

Feral cats keeping the rodent population at bay all across Greenpoint waterfront.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

Unique antiquarian shop specializing in globes, maps, and prints.

Little Red Lighthouse under the George Washington Bridge.