 What's on your mind? From filling the skies around the country with fireworks to eating way too many Nathan's hot dogs at Coney Island, Independence Day festivities can border on the mythical and even the fantastical. But a 4th of July hauling mules and cannons to the top of a 14,000-foot mountain and then blasting off the howitzers and singing patriotic music after you get there? Well, it really happened.