They may not have the trendy appeal of more happening parts of the country, but the national park system in the United States is one of America's greatest treasures. If you can, you ought to explore one near you this weekend, when they'll all have free admission to celebrate National Parks Week. Though even if you can't, you can still get an up close look at what they have to offer thanks to Google Earth, which is rolling out virtual tours of some of the most breathtaking parks in the country starting tomorrow.
To celebrate National Parks Week, the map and satellite imagery masters at Google Earth have put together a series of guided virtual tours of 31 national parks around the country, providing a stunning glimpse of the trails and vistas you can take advantage of if you visit them in real life. It may not be the same as lacing up your hiking boots and inhaling the crisp clean air of the wilderness, but they're pretty neat nonetheless.