The commercial and cultural center for the Ruhr region on the Rhine River, Duseldorff is also the site of the Felderhof Cave where Neanderthal man was found in 1856.

The Darvaza Gas Crater, famously nicknamed the “Door to Hell,” is one of Turkmenistan’s most extraordinary landmarks. Located deep in the Karakum Desert, this fiery pit has been burning continuously since the early 1970s, when Soviet engineers reportedly set fire to a collapsed natural gas field to prevent the spread of methane.

Theodore Roosevelt National Park, tucked into the rugged badlands of western North Dakota is where a young Theodore Roosevelt came to recover after the loss of his wife and mother in the same day. He bought a ranch, rode the open plains, and found the resolve that would later define his presidency. Today, the park named in his honor preserves that same wild spirit. Visitors can still see Roosevelt’s original Maltese Cross Cabin near the park's entrance and walk trails he once rode on horseback.

The superb city of medieval magic is the capital of Switzerland. Explore the magnificent museums filled with art treasures; enjoy the famous Berne Symphony Orchestra or visit the cozy, historical basement pubs, Kellerlokale.

Isabella Island is the largest of the Galapagos islands, on the western end of the archipelago. Shaped like a seahorse when viewed from above, Isabella is home to more wild tortoises than any other island, as well as a wide variety of other animal, bird and marine life.