A psychedelic labyrinth on the San Francisco bay.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

One kilometer of thick brass rod laid out before your eyes.

Little Red Lighthouse under the George Washington Bridge.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

This abandoned subway station can still be seen on regular commuter trips.

Plot your trip through the city on the sidewalk.

This semi-hidden Manhattan restaurant is based out of a loading dock.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

Prove you deserve to be fed by Kenny Shopsin.

Slyly buy a shake in the Parker Meridien lobby.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A celebration of capitalism in Midtown.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.