Large aquariums are engineering projects. This video shows the setup of a 300-gallon monster tank. Filtration, weight, and planning all matter. Mistakes at this scale are costly. Big tanks demand big ...

You want to look at fish, go to the beach and jump in. Remember to hold your breath. But if fish-watching is your idea of relaxation and/or high-style decor, then you need an aquarium — the bigger the ...