an to the tangled tropical wilds of the Amazon, just the sight of these forests will help you breathe a little deeper. Few earthly experiences are as soothing—or as humbling—as standing in the middle of a beautiful forest, trees towering around you in every direction. Yet throughout the world, from North America's national parks to a remote island off of Yemen, you can find these commanding, verdant woodlands, some so otherworldly it's hard to believe they're real.