Visiting Europe with its two-millennium plus history is always fascinating. A cruise along the "Blue Danube" could well be one of the most memorable lifetime experiences.
Two of the best National Parks in the country, both in Wyoming. The Yellowstone park where a super volcano feeds the world's largest group of Hydro-thermal features. And the adjacent Grand Teton park, offering magnificent views of the majestic Teton range of mountains.
The brave Incas, who ruled most of South America for centuries until the beginning of the 16th century, when they succumbed to the Spanish conquerors. Expert builders, farmers and benevolent rulers.