Nature's biggest mammal swims in landlocked Oklahoma.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The Quapaw tribe supplies the meat and produce in this Oklahoma casino restaurant.

One of the oldest living oak trees in the Southeast.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

An unusual monument to a 19th-century circus star.

Mine your own precious stones.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

Death rituals and sacrifice inside a Peruvian megalith.

This stone complex marks the urban center of a lost civilization.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

An ancient stone fortress considered by many to be the eighth wonder of the world.