This replica Viking village was created for a film that was never shot and is now open to visitors.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

A 16th-century horror show built in a lovely Italian garden.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

An homage to everyone's favorite prehistoric cartoon family.

A battle between nature and architecture in the Cambodian jungle.

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

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

Nightmarish example of the unintended consequences of weapons testing.