the.com/fortress
a building that admits its only real plan was never trusting anyone
murder holesCeiling gaps for dropping rocks and boiling liquid on intruders
crooked stairsSpirals turned clockwise to cramp right-handed attacking swordsmen
masadaDesert fortress where defenders chose death over Roman capture
star fortsAngular designs eliminated blind spots cannon couldn't cover
obsolete fastGunpowder made centuries of stone walls suddenly decorative