A huge, bustling local market in Panama City.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

In the middle of this historic colonial city resides a modernist government building known as the UFO.

These winged Maya figures are the subject of speculation and conspiracies.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

These azure waters were thought to lead to the Mayan Underworld.

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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

A psychedelic labyrinth on the San Francisco bay.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Perfect your fly fishing technique on their practice ponds.

A monumental cross hides in the trees in Golden Gate Park.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

Odd outsider art installations surround a Gold Rush-era ghost town.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A hand-built folk art installation covered with messages of God's love.

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