Skewer up Kangaroo.

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

A veritable variety of odds and ends.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

Visit the monolithic tomb of America's most famous general.

Once a flowing stream and where the USS Monitor, the world's first ironclad, was built and launched.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

One of the only single-person private gravesites in New York City.

"Leave a He-Man, Take a Transformer" and share a story about your real-life superhero.

This was one of the first (and last) university-built and operated nuclear reactors.

This antique shop specializes in the history of print and design.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A quiet nook at the top of a little-known hilltop park named after California's first poet laureate.

A tribute to the artist and activist who created the rainbow pride flag.

The miraculous hydrant that saved the Mission District in 1906.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

An essential stop before plundering, BYO Cutlass.

A museum befitting the city responsible for supplying the majority of the world's LSD.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

A 300-ship graveyard, with a few still visible at low tide.

A modest reminder of treacherous waters at the Golden Gate.

A winding path built in secret on the edge of the continent.