All that remains of a magnate's dream home is a historic gate and an abandoned public pool.

This Orthodox Church's exterior is rather unorthodox.

A temple belonging to the largest Buddhist order in South Korea nestled in the middle of New York City.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

Where the four original members of the Ramones hung out and revolutionized punk rock.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

A mysterious echo seems to defy the laws of acoustics.

This throwback amusement park is home to rides and unique storybook figures from the past.

Two distinctive homes on a New England village green look like a couple of frosted wedding cakes.

A beautiful, creepy 19th-century castle stands incongruously in rural Vermont.

The world’s largest underground marble quarry is hiding in Vermont.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

Resonating tubes make music from highway overpass.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

This relic of 19th-century infrastructure is one of the few remaining coal gas storage tanks in the U.S.

A man used his Civil War-era fortune to build this sanctuary in memory of his wife.

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

At this farm in upstate New York, the former president plotted his reelection campaign.