Jamie Dupuis performed a beautifully emotive cover of The Beatles' iconic song "Let It Be" on his gorgeous 20-string harp guitar.

"Underground Marvels" explored the subterranean tunnels of Cincinnati, Ohio, where German immigrants brewed beer.

Talented musician Luna Lee performed a bouncy cover of the classic spy instrumental "Secret Agent Man" on a traditional Korean Gayageum.

Eldad and Loreta, the wonderful people behind Hope for Paws, rescued a tiny Birman kitten stranded inside a Los Angeles sewer pipe.

Bob Dorough of Schoolhouse Rock, performed "I'm Just a Bill" and "Nouns" from the series at Scranton's McDade Park in 2009.

Ukrainian guitarist Eugene Naumov played a beautiful acoustic song as a diametric soundtrack to the ragged sound of an air raid siren.

Interior designer John Vugrin gave a tour of the iconic Kellogg-Doolittle House in Joshua Tree, California, which looks like a fossil by design.

An ROV launched from the E/V Nautilus captured the sight of a beautiful orange Dumbo octopus at 1400 meters (4593 feet) deep.

The Kiffness “collaborated” with an inquisitive cat who repeatedly asked if he was alone resulting in a humorous but lonely song.

Giant cats at the Ninja Kingdom Ise Diorama Restaurant in Osaka, Japan, attack the miniature train as it moves around its giant track.