Museum dedicated to the art of cutting and polishing stones.

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

A century-old network of freight tunnels underneath the city's historic business district.

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

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

This historic hotel invented the chocolate brownie.

Seller of surplus nuclear research materials.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

This popular pilgrimage site offers a hole filled with holy healing dirt.

A sprawling collection of over 106,000 toys from around the world.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Legends surround this jagged rock formation in the New Mexico desert.

A museum dedicated to the alleged Roswell Incident.

The building stands within a quiet, postcard-perfect New Mexico village.

A multi-storied adobe complex has been inhabited for more than a thousand years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

The largest source of fossilized insects anywhere.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."