Experience Castles, Baths, Tubing and more. The Coolest Places on Earth: Rule Britannia, cool Britannia. We’re crossing the English Channel to Great Britain, the land of castles and cathedrals, nobles and knights, Beefeaters, and Big Ben. Hop aboard the double-decker and have some fun!

We're on the road to ruins - ancient ruins that is. Breathtaking, mysterious, and in every way awesome.

Bright lights, big cities. We're going cross-country to discover America the beautiful, and some of its coolest cities. From sea to shining sea, we're celebrating what makes these big cities uniquely American and cool.

Experience Castles, Baths, Tubing and more. The Coolest Places on Earth: Rule Britannia, cool Britannia.

Today on the Coolest Places on Earth: We're on the road to ruins...ancient ruins that is. Breathtaking, mysterious, and in every way awesome. From the Great Pyramid of Giza to the Great Wall of China, and from grand temples to dramatic dwellings. We're on a mission to find what's still standing, and discover the wonders of centuries past. So hold on to your passports; we're globetrotting.

We're looking for landmarks in all of the right places. From New York, to Neuschwanstein, to the Kremlin, and the White House. So if you're 'leaning' toward adventure, get ready for 20 of the world's most celebrated landmarks.