Show up on a Tuesday morning unless you enjoy fighting through aggressive school field trips. The layout follows the Rhine toward the ocean, ending in a decent blacktip shark tunnel. Catch the otter feeding schedule immediately at entry or they will be asleep for your entire visit. This is a compact space, so 90 minutes is plenty. Skip the pricey behind-the-scenes add-ons; they aren't worth the extra cash. Spend your money on a better lunch instead.
