A medieval stone castle with curtain walls forming a square, four tall corner towers with battlements, a central keep, a gatehouse with an archway and portcullis, and a surrounding moat with a small drawbridge.

A steam locomotive

A treehouse village: three large treehouses in adjacent trees connected by rope bridges, each house with different architecture (one rustic, one elvish with curved lines, one modern with clean angles), rope ladders down, and lanterns hanging from branches

A floating island ecosystem: a chunk of earth suspended in air with waterfalls pouring off multiple edges, a small forest on top, exposed roots and rocks hanging underneath, and smaller floating rocks nearby connected by ancient chain bridges

A massive world tree: an enormous trunk with roots visible above ground forming archways, multiple levels of thick branches like platforms, glowing fruit hanging from smaller branches, and vines draping down

A classic arcade cabinet with a joystick and three buttons on the control panel, a screen showing simple graphics, coin slot on the front, and artwork on the sides