I don't play Minecraft but I came across a video on YouTube of some making Atlantis. It's someone's recent attempt to make Atlantis in the game, as I know it's been done before, thanks to a Google search. When I looked at the rest of their videos, I found they were also making Destiny in the game as well. Here are the links to the Stargate related videos:
https://www.youtube.com/watch?v=rPDbZiAmVHk
https://www.youtube.com/watch?v=itoG93DOhPw
https://www.youtube.com/watch?v=mmmJnAjg7ww
https://www.youtube.com/watch?v=MXzoh_nxIiU
https://www.youtube.com/watch?v=Sx9OqGb-ToU
https://www.youtube.com/watch?v=0apM-LNM8Jc
https://www.youtube.com/watch?v=o6yWoVycUJU
https://www.youtube.com/watch?v=T2_EO8XVkGA
https://www.youtube.com/watch?v=-V1KD6NE49w
https://www.youtube.com/watch?v=X-jRblZfj4k
https://www.youtube.com/watch?v=NvPHj3dsatE
https://www.youtube.com/watch?v=J1GtCKf0jGs
https://www.youtube.com/watch?v=jHpiAVkle5M
https://www.youtube.com/watch?v=GBZYGZCewyg
https://www.youtube.com/watch?v=hAg9g1Au4R4
https://www.youtube.com/watch?v=OPKeW5AF5ok
https://www.youtube.com/watch?v=f3-wr9Fqegk
https://www.youtube.com/watch?v=XVhDDG6-A9w
https://www.youtube.com/watch?v=qKbtf_bFZuo
https://www.youtube.com/watch?v=gWzZkRB85jA
https://www.youtube.com/watch?v=IPfgWBM3zr8
https://www.youtube.com/watch?v=L2vPqN7rqOI
https://www.youtube.com/watch?v=BWlz8V-nSpA
https://www.youtube.com/watch?v=a9kq1KxY5KM
https://www.youtube.com/watch?v=dZRuiULsm-k
https://www.youtube.com/watch?v=S0C_4CnJufU
https://www.youtube.com/watch?v=i8qSU_0cEDU
https://www.youtube.com/watch?v=77HqjyBCm7E
https://www.youtube.com/watch?v=6EhjN6SMQrg
https://www.youtube.com/watch?v=UMkNFAMau_w
https://www.youtube.com/watch?v=goWuoFMJacg
https://www.youtube.com/watch?v=zduk_uzft1k
https://www.youtube.com/watch?v=rPDbZiAmVHk
https://www.youtube.com/watch?v=itoG93DOhPw
https://www.youtube.com/watch?v=mmmJnAjg7ww
https://www.youtube.com/watch?v=MXzoh_nxIiU
https://www.youtube.com/watch?v=Sx9OqGb-ToU
https://www.youtube.com/watch?v=0apM-LNM8Jc
https://www.youtube.com/watch?v=o6yWoVycUJU
https://www.youtube.com/watch?v=T2_EO8XVkGA
https://www.youtube.com/watch?v=-V1KD6NE49w
https://www.youtube.com/watch?v=X-jRblZfj4k
https://www.youtube.com/watch?v=NvPHj3dsatE
https://www.youtube.com/watch?v=J1GtCKf0jGs
https://www.youtube.com/watch?v=jHpiAVkle5M
https://www.youtube.com/watch?v=GBZYGZCewyg
https://www.youtube.com/watch?v=hAg9g1Au4R4
https://www.youtube.com/watch?v=OPKeW5AF5ok
https://www.youtube.com/watch?v=f3-wr9Fqegk
https://www.youtube.com/watch?v=XVhDDG6-A9w
https://www.youtube.com/watch?v=qKbtf_bFZuo
https://www.youtube.com/watch?v=gWzZkRB85jA
https://www.youtube.com/watch?v=IPfgWBM3zr8
https://www.youtube.com/watch?v=L2vPqN7rqOI
https://www.youtube.com/watch?v=BWlz8V-nSpA
https://www.youtube.com/watch?v=a9kq1KxY5KM
https://www.youtube.com/watch?v=dZRuiULsm-k
https://www.youtube.com/watch?v=S0C_4CnJufU
https://www.youtube.com/watch?v=i8qSU_0cEDU
https://www.youtube.com/watch?v=77HqjyBCm7E
https://www.youtube.com/watch?v=6EhjN6SMQrg
https://www.youtube.com/watch?v=UMkNFAMau_w
https://www.youtube.com/watch?v=goWuoFMJacg
https://www.youtube.com/watch?v=zduk_uzft1k