This Polish cave has housed a dragon, a brothel, and an enduring legend.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

Astounding collection of coin-operated games and automata.

A museum dedicated to the dead and the tools used to usher them into the afterlife.

Museum dedicated to the art of cutting and polishing stones.

One of the finest examples of a black soil prairie that was barely saved by the Great Depression.

After an Illinois church was struck by lightning and burned down, Frank Lloyd Wright designed this replacement.

Where old school Polish Chicago and young hipster Chicago live side by side.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

Internationally known record store and purveyor of "dusties."

Beloved bar home to musicians of all eras and reputations.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Former bath house turns gastropub.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

The beloved home to all publications indie, erotic, and punky.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

Kwanu'sila the Thunderbird has been silently watching over Chicago for more than 100 years (kind of).

One man's attempt to create an artistic wonder on a run-down block in Detroit.

Wisconsin's most celebrated export gets the royal treatment on I-94.

A unique botanical garden housed in three giant geodesic domes.

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