Exploring the Pacific Northwest can be a fun adventure. This area of the U.S. is rife with mountains, canyons, rivers, creeks and lush green hillsides. For nature buffs, this part of the country offers peace, serenity, tranquility and gives you a sense of being closer to nature than ever before. But even if you're not an outdoorsy person, there are still plenty of things to see in this region of the country, particularly Washington State.