Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

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

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

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

The mosaic Star of David at the front of this store hints that it's no ordinary Italian grocer.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

This tiny little island has, as the name says, just enough room for its single house.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The seamy, underground secrets of Portland's criminal past.

This sandstone mansion was the home of two of Oregon's most important pioneers.

The magic's in the hole!

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

An overlooked memorial honoring the local Washington residents who died in World War I.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Home to items never before seen by the public.