Medieval St. Denis Abbey
Get to Abbot Suger and ASK ABBOT LIGHT, he will instruct you to buy a window from Otto in Klein. Go to Otto and ASK OTTO WINDOW, he will ask if you wish to purchase a window for 2500 gold. ASK OTTO YES and he will bill your bank automatically and hand you a window. Go back to Abbot Suger, give GIVE WINDOW ABBOT, he will ask if you still wish to learn, ASK ABBOT YES.
Ancient Anasazi
Buy squash from Ilhuitl, the innkeeper at Outside an Inn in Coyohuacan. Find the anasazi sun-chief in Kayenta. ASK CHIEF LIGHT. GIVE SQUASH CHIEF. ASK CHIEF YES.