Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

Community bookshelf of 25-foot-tall book spines.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The only road through the heart of Glacier National Park.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

A swath of France so devastated by war it is still forbidden to go there.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

The fairy tale castle of the "fairy-tale king."

A unique bridge with an equally unique view.