U.S. News Insider Tip: Pay attention if you're in the flash flood simulation room – you might get wet! – Leilani Osmundson Visit the AZA-accredited Downtown Aquarium to see more than 500 ...

The Denver Aquarium is loads of fun, what with sunken temples, re-created flash floods and piranha tanks, but it's also pricey. Between parking fees, multiple gift shops and added activity charges ...