-Dwarven
-Orcish
-1600s (colonization so mainly structures made of wood)
-Steampunk style
-Modern
-Fort completely made for animals (Looks natural, tonnes of animals roaming about)
-Underwater fort
-Huge tower with fortress on top above clouds
-TNT city
-Fortress enclosed in a box separated into quarters
-Fortress on a bridge
-Castle within a castle
-Candy Fortress, Candy Fortress
-GOLD FORTRESS
-Green city made completely of green wool and emeralds
-Fortress built in a cliff
-Fortress built in Overworld but rooms built in Nether
-Crazy looking fortress
-Fortress in the clouds
-Desert village with a fortress
-Fortress under a dome
-Egyptian Style
-Fortress of Redstone
-Ender Fortress
-Fortress conquered by another fortress
-Fire town
-Floating fortress
-Skyscraper (maybe apocalypse themed
)
-Giant NPC Village
-City of gold (again, I really want to see one of those)
-The Hanging Fortress
-Fortress hidden in a volcano
-Fortress that is invisible (made out of glass)
-Built around jungle trees
-MAGICAL fortress
-Maze fortress
-Memorial
-Mineral Fortress (only made out of blocks made using ores)
-Monster Fortress
-Fortress which is themed with multiple biomes
-Fortress built on giant mushrooms
-Fortress built inside giant mushrooms
-Native American Fortress
-Nether Fortress
-Oriental Fortress
-Fortress built on planets
-Pumpkin Fortress
-Robot Fortress
-Rainbow Fortress
-Fortress built on an platform in the middle of the ocean
-Roman Fortress
-Cuban Fortress
-Ruined Fortress
-Pirate Fortress
-The Shire (had to put a LOTR reference in there, just had to)
-Sky Fortress
-Space Fortress
-Stronghold
-Normal Minecraft themed Fortress
-City made out of Food
-The Twin Fortresses (not 9/11 reference)
-Fortress built in Cave
-Fortress built underground
-Underwater (think Aquain)
-Literal fortress built underwater
-Venetian themed
-Fortress built vertically
-Fortress in the void
-Upside down fortress
-And finally, Western style city