An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

This five-foot-tall bronze bird is a memorial to a species that was hunted out of existence.

Walk in the footsteps of the gods and straddle two tectonic plates.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

An ever-evolving wall of graffiti art off East Liberty Street.

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

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

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

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

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

This public baseball field is a beloved remainder from of one of the most historic stadiums in the country.

The only tower of an aerial tramway standing over a ski-lift.

The mountaintop inspiration for Umberto Eco's "The Name of the Rose."

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

A fake medieval village in the middle of Turin.

This fountain is dedicated to the workers who perished constructing the Fréjus Rail Tunnel.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.