On this sweeping, eclectic adventure through Turkmenistan, marvel at the towering white-marble structures of Ashgabat, roam through barren deserts and a world-class canyon, and spend the night camped out beside the flaming Gates of Hell.

Journey along the Nile, across the Sudanese desert, and discover the pyramids and archaeological treasures of ancient civilizations.

Explore Sweden’s boreal forests by day and hear the howling of wild wolves by night.