A great way to travel when you can't get away might be via a site I recently joined.
www.postcrossing.com/ There you send and get cards randomly among over 100,000 other members and you can choose to do private exchanges with members if you want.
A great way to make efriends and learn about the world.
If you join you'll find me as the only member in the country list under Northern Mariana Islands.
Also when you do travel send yourself a postcard or two or a few from each place you visit reminding yourself of the highlights for later on.