Japanese designer Haruka Misawa's Waterscape fish tank is like the Inception of fish tanks—inside of the main tank is a glass air bubble in which a fern is growing on the surface of the interior pool of water. It's more enchanting than a simple fish tank really has any right to be. Now if only there was another little tank with really tiny fish inside the air bubble, things could get really confusing.
• Aquarium Ferns Grow Inside an Air Bubble Within This Radical Fish Tank [Spoon & Tamago]