Explore the world of luxury travel with this comprehensive guide to high-end submarines and space travel experiences. Dive into the depths of the ocean with expedition cruise lines like Scenic, Viking, and Seabourn, or soar to the edge of space with Space Perspective and Virgin Galactic. Discover the features, amenities, and unique aspects of these exceptional travel options, and learn about the companies behind them. Whether you’re a luxury traveler or just curious, this article provides a fascinating look into the future of travel.