Wasn't Apollo's temple from Who Mourns for Adonais? fairly large as well?
Yes, but Apollo's temple was an indoor set.
I agree w/ T'Girl. It seems to be a big expense, and something I never thought about before. Even if it's just cheap wood, it would seem very costly to truck to the location, assemble it, film it (while hoping it doesn't rain), then disassemble and cart it away.