The National Aquarium in Baltimore’s inner harbor is home to more than 20,000 animals– in air, water and on land. So, what does it take to keep the place afloat?Hint: The staff deals with lots of poop on a daily basis. And food, of course. You’ll meet the diver who pilots the ‘Cadillac of all pressure washers,’ learn why it really is the early bird that catches the worm and hear about the diet regimen of dozens of divas that call the National Aquarium their home ... in habitats that range from coral reef to tropical rainforest.

Knock Knock Who's There - How Does the National Aquarium Stay Afloat?

It’s no secret that water goes through filtration before we drink it, but there’s some crazy stuff that happens, like making it chunky in order to clean it. This gravity led trip through the Ashburton Water Filtration plant answers all your H2O questions.

Knock Knock Who's There - Ashburton Water Filtration Plant

Faidley Seafood, located in Baltimore's Lexington Market since 1886, is nationally known for its crab cakes. Meet the cast of characters who hand produce hundreds of them daily for locals and tourists; learn what not to do while shucking oysters and finally, get the definitive answer to that burning question: what really is the difference between jumbo lump vs. back fin?

Knock Knock Who's There - Faidley Seafood

Ever walk by the venerable Peabody Conservatory in Baltimore's Mt. Vernon neighborhood and wonder what exactly goes on inside? Renowned cellist and instructor Amit Peled reveals secrets of his technique. Turns out, there's plenty of blood, sweat and tears behind those tunes.

Knock Knock Who's There - Peabody Conservatory

Driven by dares, rumors or just plain curiosity, this podcast is about opening doors and finding out who, or what, lies behind them.

Knock Knock Who's There

Knock Knock Who's There

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