The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Go inside to really appreciate this 500-year-old technological masterpiece.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Hot Doug's "Hot Dog" Stand.

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

The palatial McDonald's that inspired Wesley Willis.

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

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

Huge abstract sculptures of the Puerto Rican Flag.

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

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

Hidden on the 7th floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

Illegal drag racing two stories beneath Chicago’s streets.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

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

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

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

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

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

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

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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