Find out more about the airport that you are flying in or out of. Three letter codes and links to the airport. A fortnight's budget for some might be a couple of thousand dollars, for others only a few hundred. The major supplier of travel services to the UK Student and Youth population. A could do better database of travel information for various cities around the world.
Returns are names and addresses, even for historical sights in Prague.
No related links, which would have been useful. Many travellers tend not to take travel warnings too seriously, but there really is some valuable information here. Interesting satellite imagery. Languages of the World is a catalogue of more than 6,700 languages spoken in 228 countries. If it's deep background information you're seeking, try here.