Vibrant street art created with mixed media.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

A precursor to Taro Okamoto’s iconic Tower of the Sun.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

A lonely chimpanzee lures you into a narrow alley leading to this hidden shrine.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This former fascist summer camp was abandoned for decades.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

This secluded date farm can be reached only by following a bumpy, single-lane desert road.

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

The most magnificent bottle house in a town strangely full of them.

A land of debatable treasure.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.