The only Chicago bridgehouse open to the public contains a museum devoted to the Chicago River.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A unique 3-D sculpture based on Rene Magritte’s “The Red Model.”

The palatial McDonald's that inspired Wesley Willis.

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

A lush green oasis in the middle of Chicago.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

The first home and studio that belonged to the famous architect.

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

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

The sign to a demolished amusement park now stands in front of a local library.

Chicago’s last original drive-in restaurant is a family-run hot dog joint that started in 1948.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A towering Art Deco movie palace made to look like a Mayan temple.

A science teacher's dream.

Where a brain, a beauty, a jock, a rebel, and a recluse met one Saturday and changed their lives forever.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

The oldest functioning restaurant in the state of Illinois, operating since 1847.

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

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

A giant statue perched on dumpsters watches over the freeway.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.