The most confusing clock in New York.

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

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

A modern zoetrope on the New York City subway.

Walk into the 19th century without leaving Brooklyn.

A decommissioned military complex that's now a modern industrial park.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

This impressive mansion in Vinegar Hill has some mysterious details in its architecture.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

A graffiti Mecca welcoming artists from around the world.

The preserved house of a jazz legend still echoes with his music.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

This kitsch eatery is chock-a-block with bric-a-brac.

The world's longest known cave system.

The famous author's cottage hideaway.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

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

Wine bottle sculpture with a ship's stateroom inside.

Lie in a hammock where George Washington stood.

One of only two commuter aerial tramways in the United States.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

A Manhattan Episcopal church with an eerie underground crypt.

The greatest real estate coup of all time.