The second-largest (of only two in the world) large particle collider is the underdog of experimental physics.

All that remains of the once-booming chain is a single orange-roofed restaurant.

This forlorn park is the result of a failed investment turned tax dodge.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

"A hideous albatross in the Hudson River Valley."

The most confusing clock in New York.

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

A curious friendship between two inanimate ladies.

An annual extravaganza of Broadway theater memorabilia.

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

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A dilapidated dock tells the story of Titanic’s missed arrival.

Try not to get slimed in Tribeca.

The uniquely-designed winter home and sculpture studio of Anna and Archer Huntington.

Paths are maintained, but trees have taken over plots.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

This old-fashioned carhop restaurant gave the world the waffle cone.