Two World War II aircraft lie within the jungle around this abandoned runway.

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

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

The highest point in Connecticut was incorrectly memorialized before surveyors discovered the actual spot.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

The former home of a disgraced local priest now hosts a mysterious secret supper club.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

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

The remains of what was once the world's steepest passenger funicular.

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

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

A peaceful international sculpture garden in upstate New York.

Three acres of mythology-inspired sculptures are visible from the highway.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

Eight whimsical acres of metal art.

The largest known open fault in the United States is basically a giant natural refrigerator.

Believe It or Not, Ripley once called this chiseled mountainside “New York’s Mount Rushmore”.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

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

A former copper mine which became a truly unsuccessful prison.

This Catskills museum preserves stumps from the earliest known fossil forest on Earth.