Visit the Topkapi for free

Given the economy, you may not be planning any trips this summer or anytime soon. But who would not like to take a tour of the Topkapi Palace in Istanbul? No problem, you can do it for free. Just go to this website (http://www.3dmekanlar.com/topkapi_palace.htm), download and start clicking away. And when you exhaust that, check out a number of major Islamic sites that are yours for digital pleasure.