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

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

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

This campus chapel is Robert E. Lee's final resting place and a topic of debate about the legacy of the Civil War.

The hide of Stonewall Jackson's equine sidekick is on display not far from where the ashes of his bones are buried.

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

Take an otherworldly journey in a school dedicated to out-of-body experiences.

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

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

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

The only recreation of William Shakespeare's indoor playhouse.

This lagomorph-obsessed Route 66 emporium is home to a giant jackrabbit that sits in a bunny graveyard.

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

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

One of the last active volcanoes on the Eastern seaboard.

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

One of the Cemestos prefab homes built to secretly house thousands of Manhattan Project workers.

John Hendrix predicted the creation of the "Secret City" built as part of the Manhattan Project.

The secret city built by the Manhattan Project.

This eccentric folly house was designed by Romanian thinker Bogdan-Petriceicu Hasdeu, with a helping hand from his deceased daughter's spirit.