A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

This shallow cave got its name from copious amount of human bones found inside.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

The only surviving prototype for Buckminster Fuller's house of the future.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A snapshot of the city's fascinating voodoo culture.

This historic cliffside mansion uses a natural cave for air conditioning.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

European castle ruins in an American state park are actually the product of death and grief.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

One of the few surviving "Wigwam"-themed motels.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.