An artsy hidden staircase leads to breathtaking views of San Francisco.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

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

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

The best way to get a sneak peek at the movies.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

New York City's smallest piece of private property.

The first piece of public art dedicated to LGBT rights.

An aptly-named street near the birthplace of the modern LGBT rights movement.

Try not to get slimed in Tribeca.

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

More gold than anywhere else, ever.

The oldest Methodist church in the United States has been spreading the good news for over two centuries.

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

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

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

Only hotel where you can legally launder money.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

A classic advertising icon immortalized in regal bronze.