If you find the idea of travel daunting, focus on a destination that interests you, and gather information that focuses on that place specifically. There are so many places to see, that one can get lost in the sea of information. Once you decide on a target destination, limit your research and lower your stress.
Pack all your necessary belongings in a carry-on bag for airline travel. Not having to check luggage means that you can save on checked bag fees, check in for your flight at home or at a kiosk without having to wait in line a the ticket counter, and will avoid the possibility of your luggage being lost.