It will require airfare to visit
GT. if you have a month summer vacation, as most great teachers have, take a camper or a van across the land. great sights and sites to see, Niagara, Yellowstone, Grand Canyon, the Redwoods.
Even Yosemite has some respectable walk-in with sky light Sequoias (a highlight of my life with my then 9 year old daughter standing inside a thousand year old living giant) beats Jonah et al.
skip the fake shows, disney and the rollercoasters and drive . it is better to travel than to arrive.