A remnant of the 19th-century dream to discourage people from drinking booze by offering them water.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

A Wild West saloon that helped define a generation of psychedelic rock.

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

3,200-square-foot mural inside Dartmouth Library depicts the history of America with images of human sacrifice, ancient gods, and other unspeakable terrors.

A historic bridge with a lovely acoustic anomaly.

A massive rotating globe sits at the center of Babson Park.

Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

This mural changes every few years.

Visitors to this library are in for a real-world education in modernist architecture.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

One of the last remaining movie theatres in the country that features a rear-projection system.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

A tiny monument to the classic American candy.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

To find the "unicorns of the deep" you've got to go downstairs.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Mansion and shopping center used in the 1975 film "The Stepford Wives."

These pretty kitties killed and ate as many as 135 railway workers.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.