This Japanese treats shop may have been the first business to mass-produce fortune cookies in the United States.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

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

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

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A 140-year-old castle with underground caves hidden in San Francisco.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

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

A huge musical instrument played by the ocean.

A psychedelic labyrinth on the San Francisco bay.

One of the last free public hot springs is decorated with hippie art.

This 19th-century church is now a popular roller rink.

A mysterious spirit totem at the edge of Navajo lands.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

A spiritual vortex among the red rocks in Sedona.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

This 19th century machine put animals (including humans) in boxes to study how they metabolized calories.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.