There's never a bad time to book a vacation with Vacations For Heroes, but here's an insightful infographic that might provide a few tips to keep in mind when deciding exactly when to travel and book flights.
Scratch-Off The World. Scratch off a place whenever you visit it, or use this as a teaching tool. Whenever you teach the students about a place, scratch it off! This could also be used to teach students the locations of different places in the world.