PBS
Pbs: Debra Damo Monastery in Ethiopia
This site has information about the oldest standing church in Ethiopia. This one time center of Christianity in East Africa sits on a 50 foot cliff and is only accessible by climbing a leather rope.
PBS
Pbs: The Churches of Lalibela
In Lalibela, Ethiopia, you can see 11 churches excavated from solid rock, considered by some as one of the wonders of the world. Ethiopian legend connects these churches with King Lalibela of the Zagwe dynasty and angelic intervention.