This private home is famous for appearing in the cult-classic "Twin Peaks" series.

The world's largest Holstein cow.

A fitting attraction for the corn capital of the world.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

This was once the largest four-sided clock in the world (yes, even bigger than Big Ben).

This rooftop sign has been confusing Milwaukee-bound airline passengers for decades.

These five houses were built for the 1933 Chicago 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.

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

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

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Illegal drag racing two stories beneath Chicago’s streets.

A lush green oasis in the middle of Chicago.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

Slip in a slide while waiting for the ferry.

A massive environmental project transformed this former smelter into a beautiful park.

Providing the soundtrack to the golden years of the Seattle grunge scene.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.