This massive blockhead sculpture hides an entire library.

The construction of a tram line unveiled hidden remnants of the old medieval city.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

For 32 years the famous Ringling Bros circus troupe spent winters in this sunny spot in Florida.

This Florida resort community is where the Amish come to have fun in the sun.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

The grave of Mary Nasson is shrouded by witchy legends.

Underground tunnels remain beneath this abandoned mental asylum.

Scene of the grisly murder of two Norwegian women in 1873.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

250-year-old farm now features sculptures, a petting zoo and a hippy-bazaar.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

Small island science organization offers public the chance to participate in research.

An 80-year-old house built out of newspapers.

Eco-friendly island mansion.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

This piece of peacetime naval wreckage memorializes the tragic sinking of the USS Maine--an event which sparked the Spanish-American war.

Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

One man’s hobby is another man’s world of metal wonders.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.