If you're looking for a simple, easy-to-clean aquarium, this ain't it. The Labyrinth Aquarium ($5,500) features a network of domes, ideal for tropical freshwater fish. Besides its steep price tag, the Labyrinth also comes with three included programmable lights, silk plants, filters and equipment to care for you hard-to-clean aquarium. For an extra grand, you can upgrade the Labyrinth with your choice of cherry, black or carbon fiber table that can house the filtration system and lighting components. [source]