I haven't been to very many countries outside the USA, but I have been blessed to visit India (once on a trip and once to live). While on our trip, my wife and I were able to see the Taj Mahal (that's really - not virtually - us in the photo to the left). It lived up to the hype.
A virtual tour is never as good as the real thing - thus the word "virtual." However, I just came across a good virtual tour of the Taj Mahal. All in all, it gives a decent sense of what it is like to be there. Click to virtually visit the Taj.