Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

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

Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

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

Illegal drag racing two stories beneath Chicago’s streets.

A lush green oasis in the middle of Chicago.

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

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

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

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

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

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

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

These pretty kitties killed and ate as many as 135 railway workers.

Years of archaeology, just chillin' by the water cooler.

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

To find the "unicorns of the deep" you've got to go downstairs.

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

This futuristic German television spire is actually the world's largest digital clock.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.