The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

This tree was extinct for a thousand years before sprouting again from a 2,000-year-old seed.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

The fairy tale castle of the "fairy-tale king."

Three hundred years of preserved Spanish colonial history in San Antonio.

"There's nothing there," and other lies the KGB told us.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This elaborate towering structure was once famed for its revolutionary height.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Huge masonic hall in Philadelphia with lavishly themed rooms.

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.