A backpack that’s also a fully functional aquarium?! We’re making the world’s first bookbag aquarium, turning an ordinary backpack into a portable fish tank. Will it actually work, or is this idea too ...

It's time to fill up my massive 5,000-gallon predator fish tank! Watch as we bring this giant aquarium to life, prepare it for some incredible fish, and see the epic transformation unfold!

is a cool and peaceful spot to take in the Adriatic Sea's flora and fauna via 31 aquarium tanks that are built into the fort's stone. Everything from conger eels to sea sponges are on display.