A modern satellite view of Afghanistan and northern Pakistan-- you can actually see the Khyber Pass (check below)

Source: http://www.nationalgeographic.com/landincrisis/satellite_enlarge.html
(downloaded Nov. 2001)

A political map of Afghanistan-- the Khyber Pass is between Kabul and Peshawar

Source: http://www.nationalgeographic.com/landincrisis/political_enlarge.html
(downloaded Nov. 2001)

Kabul from above looks like a small round circle of sand in a little bowl

Source: http://www.jsc.nasa.gov/pao/asiapac/afghan.html
(downloaded June 2001)

Apollo 7--"Kabul, Afghanistan." Photo ID: AS07-05-1667

"Kabul, Afghanistan area as seen from the Apollo 7 spacecraft during its 39th revolution of the earth. Photographed from an altitude of 127 nautical miles, at ground elapsed time of 61 hours and 20 minutes. Also, visible in picture are the Panjshir River and the Koh-i-Baba Mountains."