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

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

Inside the Wayne County airport is an amazing collection of lights and sounds.

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

This museum in the woods evokes the work and lives of Michigan's 19-century lumberjacks.

This shallow cave got its name from copious amount of human bones found inside.

The home, museum, and death site of Kodak's influential founder.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A massive volcanic plug is now a protected area that hosts a number of bird species.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Three hundred years of preserved Spanish colonial history in San Antonio.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

A historic coal mine that doubles as a museum and tourist attraction.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.