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

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

This marker identifies the location where three states converge.

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

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

There’s a hidden military meme engraved on the World War II Memorial.

Come for the fried chicken, stay for the history at Oklahoma's oldest bar.

This unusually circular centenarian barn became a Route 66 icon.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

According to legend a man pooped out the window of this tower to prove that it was straight.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

In this truly magical place, rent hasn't been raised since the year 1520.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Home to items never before seen by the public.

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

Huge standing stones mark a site of megalithic mystery.

Corn-inthian columns with a uniquely American take on neoclassical architecture.