Eclectic architecture in the woods of New York.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

Secluded amid upstate New York’s Adirondack Mountains lies this subterranean emblem of a nation on the brink of nuclear war. And it's for sale.

The lost town of Neversink, sunk by New York City.

Home on the Hillside, and home of the first breakfast cereal.

An abandoned castle owned and ignored by Masons carries a cursed history.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

This derelict building used to house infirm Freemasons, their widows, and orphans.

This once luxurious Catskills resort is now a haunting ruin.

An unassuming island in the middle of the Hudson that hosts campers, including Aleister Crowley.

The site of a tragic massacre that spawned a multimedia franchise.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

A once grand hotel is being retaken by the wilderness it once capitalized on.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

A castle built for love, and abandoned due to heartbreak.

Quite possibly the last cross all humans will ever see.

This massive melon is a recreation of a similar gate from the Pan-American Expo.

An isolated beacon with a history of grisly murder and a view of some of literature's greatest inspirations.

This sprawling collection of saintly relics includes such fascinations as wood from the Cross of Jesus and threads from Mary's veil.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

Whale bones, scrimshaw, and sperm oil make up just a part of this comprehensive collection of whaling history.