For outrageous mountain vistas that you can enjoy on a day trip from Tbilisi, consider visiting the Kazbegi Region. Though driving is an option, it's a shame to focus on the road, instead of the view. Let someone else lead the way on this daylong tour into the mountains. Visit a castle complex, historic church, and enjoy a photo opportunities at the Gudauri ski resort. Adventurous visitors should consider the paragliding option.