What else can I build in Mc?

I have something freaky (not ordinary) on a minecraft server convert (gas station, lake, skyscraper.) But I have no more ideas

do you have suggestions?

Do not forget shelter and toilet

Minecraft is a high quality game! ^^

A football stadium or stadium of another sport, I always found cool

If you already have a lake / ocean, you could still build a port facility. Other traffic structures (stations with many platforms or airports) are not so common.