Solar powered Spectacle Island features all-green facilities.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

Hill-like structures formed by glaciers and sandy spits of land.

The site of the tragic isolation of Nipmuc Native Americans left to perish in King Philip's War.

Second largest wastewater treatment plant in the country.

A cave dug by a man directed by ghosts to find pirate treasure.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

Friction between grains of sand cause a curious "singing" sound.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

This picturesque abandoned home is rumored to be a spite house.

The only remaining historic maritime signal station in the United States.

Its unique collection details the history of the state's svelte railroads.

Preserving the memory of the narrow railroads that once crisscrossed the state of Maine.

The first "applecore" style lighthouse in Nova Scotia.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

The grand marquee of this abandoned Hawaiian theater remembers the building's elegant past.

Hiding in plane sight.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Eighty million natural history specimens call this gargantuan museum home.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.