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

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

An unrealized dream to wirelessly electrify the entire Earth.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

Collect holy water from a Bronx grotto.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

A crumbling hospital from the 1850s on Roosevelt Island.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.