Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

The old fire tower is one of the last of its kind in the United States.

See the computer’s history revealed over the course of 20,000 years.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Known as "The Hill of the Little Devils."

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

A Winnebago Tribe collection featuring arrowheads, artwork, and a mysterious rock carving.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

The world’s largest Masonic temple was saved by the White Stripes.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Enormous small-business mecca in the Midwest, serving dozens of artists.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

Advice-columnist's bell tower, paid for with pennies.

Years of archaeology, just chillin' by the water cooler.

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

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

When flour explodes, it's not a pretty sight.

The dishes at this restaurant by The Sioux Chef celebrate indigenous heritage.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.