Check out the underground party scene at the "Burning Man of Brooklyn."

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

A former connection to City Island, it has been abandoned since the 1930s.

An extensive collection of fine art devoted to man's best friend.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A modern zoetrope on the New York City subway.

Rummage through this sunken ship, but leave your scuba gear at home.

The most confusing clock in New York.

New York City's only radical feminist independent bookstore.

Salute the leader of the proletariat.

A curious friendship between two inanimate ladies.

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

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

This small, hidden cove is home to abandoned boats.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

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

Cryptic messages embedded in the New York City sidewalk.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.