It's supposed to end up in the 'Pedia, but between insomnia (which messes up my ability to concentrate) and intermittent attacks of real life, work is progressing quite slowly right now. So let's do a quick summary:
GWs:
Great Pyramid: Six happy faces in home city, allows city-sizes 2-3, doubles sacrifice value.
Long Count: Doubles happiness effect of Temples.
Temple of War: Barracks in all cities.
Full-Figure Glyphs: Doubles research output in home city.
Royal Trade Network: Pays maintainance for commercial improvements.
Grand Ballcourt: Ballcourt in every city.
Kaloomte'lel: Veteran ground units, one happy face in home city, allows healing in enemy territory. Has all traits and skyhigh cpt.
Glyphic Staircase: Three happy in home city.
SWs
Epic Inscription: Increased leader appearance.
B'aah Sajal Residence: Second palace.
Yajaw Maan: Increased Army value and spawns armies.
Royal Tomb: Allows city-sizes 2-3, treasury earns 5%/turn.
Council House: Allows spy missions.