In an odd geographic anomaly this city borders two different states on opposite sides of town.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

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.

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

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

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

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

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.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

Victorian-era Londoners really wanted to believe this 17th-century cistern was actually an ancient artifact.