The subtle science of a master molecular gastronomist.

A lush green oasis in the middle of Chicago.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

An eight-sided home built during a brief octagon craze in the 1850s.

Rural churches in the middle of nowhere with religious frescoes by famous artist.

The highest point in Virginia can only be reached by passing through ponies and flowers.

One street divides a single town that stands in two U.S. states.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

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

The grave of a champion Thoroughbred hides within the former presidential estate.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

The only recreation of William Shakespeare's indoor playhouse.

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

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

This historic mansion was built as a symbol of love between a husband and wife.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

One of the last active volcanoes on the Eastern seaboard.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.