There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

Commemorating the spot where the famous scientist fed his pigeons.

The former hotel where Tesla invented the radio.

A whimsical, but often overlooked clock in Park Avenue.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Cryptic messages embedded in the New York City sidewalk.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

An unassuming secret door once led to a legendary watering hole.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

New York's oldest magic store.

This Elizabethan hedge maze is one of only six in North America.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

A 16th-century horror show built in a lovely Italian garden.

A vinyl-lover's Shangri-La.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Tucked in the back of this amazing antique store is an important piece of medical history.

Pay your respects to a folk-punk legend.