03. Great Smoky Mountains National Park, USA
Great Smoky Mountains National Park is no secret to the world but it is widely becoming the destination for people on tight expense. This is also endorsing by the fact that almost 10 million visitors annually visit this place. This national park is located along the North Carolina and Tennessee border. The entry is free here which means you can explore mesmerizing views of Clingmans Dome and Cades cove for free. It is also famous for its hiking trails. So, if you are ready for a wallet-friendly national park adventure, this is the place for you.