A mysterious air force base built to resemble a Long Island fishing village.

Antique gaffe kept in the basement of a small Vermont natural history museum.

A wunderkammer hidden on the top floor of the Hartford statehouse.

Books you don’t need in a place you can’t find.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

Eco-friendly island mansion.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

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

Stumps of an Ice Age forest, visible only at low tide.

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.

An eccentric inventor's castle home with its own indoor weather system.

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

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

The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Last church of this militaristic WWII style.

Hut with supplies for shipwreck survivors.

Civil War Fort on an island in the Boston Harbor.

Overgrown ruins of a turn of the century island fort that sees very few visitors.

Solar powered Spectacle Island features all-green facilities.

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

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

Beautiful steampunk ghosts of early Massachusetts.