Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

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

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

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

This Central New York ghost town was once a prosperous railroad community.

A winding, cliffside stretch of road overlooking the Delaware River.

America's first serial killer rests in anonymity.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

This giant disembodied horse head seems to balance impossibly on its nose.

A World War II-era submarine is stuck in the mud in New Jersey.

Seven golden statues rise into the sky from sculptor Victor Victori's New Jersey front lawn.

The final resting place of a famous 19th-century murder victim whose identity is still a mystery.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

The "Seinfeld" diner.

A memorial marks the library lobby where Langston Hughes' ashes are buried.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

Stand at the center of this lakefront sundial, and you'll become part of the timepiece.