Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

Home to items never before seen by the public.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

The site of the climactic scene from the classic horror film is now a historic landmark.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

Memorial to the father of the Republic of China.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

"We Seceded Where Others Failed."

A massive underwater sinkhole made famous by Jacques Cousteau.