This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

This circus town museum recognizes the outstanding clowns of history.

Honoring the star of the “The Bob Newhart Show” which took place in the city of Chicago in the 1970s.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

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

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

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

Site of an oft forgotten and revolutionary battle.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

This historic hotel invented the chocolate brownie.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

Dedicated to the unsung history of human waste.

The whole of Maine's history with the salty little fish is packed into this tiny coastal museum.

The world's largest collection of ticks.

A supersonic jet stands on a pedestal in this rural village as a monument to military aviation.

This small shrine is dedicated to the designer of the first Russian fighter jet and his brother, who became Chairman of the Presidium of the Supreme Soviet.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

This grounded passenger jet is now a restaurant, complete with rows of seats and “flight attendant” servers.

Remnants of the city's Soviet history hover over this modern fast-food outlet.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Julia Buccola Petta's body was peculiarly well-preserved when it was exhumed six years after her death.

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

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