The only surviving sidewalk clock in Brooklyn.

Historic Greenpoint theater, turned roller disco, now housing a chain pharmacy store.

Once called Winthrop Park in 1889, home to a decidedly sexy tribute to the Monitor vs. Merrimac battle.

Steam out your ears for New Year's Eve.

An artist's cute bronze subway sculptures belie his violent artistic past.

Red frames showcase remnants of one of New York's original subway stations.

Elevated freight railway turned wildly successful urban park.

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

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

New York City's only preserved family home from the 19th century.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

The site of the deadly Triangle Shirtwaist Factory Fire.

The most confusing clock in New York.

Cryptic messages embedded in the New York City sidewalk.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

The only presidential monument to display a late POTUS's actual casket.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.