This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

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

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

World's second largest particle accelerator, where nature reveals its secrets.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

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

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

An antiquated German apothecary on Chicago's North Side.

A lush green oasis in the middle of Chicago.

A hot dog stand where the heads are just as hot as the dogs.

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

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A display of magnificent stained glass windows is the first exhibit of its kind.

Huge abstract sculptures of the Puerto Rican Flag.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

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

A Bibliophile's Dream.

A speakeasy takes on Chicago's drinking culture.