A formerly abandoned mental institute, now back in business.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

An unrealized dream to wirelessly electrify the entire Earth.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

Every equinox this Maya pyramid puts on a spooky ancient light show.

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