Musician Dušan Holý played the very unusual "Mono Tone Piano", a tiny piano that has only a single white key.

Come to Cheesus explained the history of Mimolette, a French cheese from Lille that uses mites to enhance the flavor.

Antiquarian bookseller Tom Ayling visited the Museo della Carta in Amalfi, Italy to learn how to make paper by hand.

Peter Dinklage read a dam-ing letter by Stephen Tvedten to a government agency who ordered him to remove beaver dams on his property.

Issaquah, Washington, spoke with artist Thomas Dambo, the creator of giant wooden trolls that interact with their natural surroundings.

In the first A.V. Undercover session in seven years, GWAR stopped by to perform a poignant rendition of "I'm Just Ken" from "Barbie".

The Rockin’1000, played a powerful live cover of the Rage Against the Machine anthem “Killing in the Name” in 2022. 

"Polkamania!" by "Weird Al" Yankovic is a fabulous animated compilation of polka covers of really huge hits from the past decade.

With the release of "Deadpool and Wolverine", Ryan Reynolds humorously narrated a nature video that introduces an actual wolverine.

GlasBlasSing performed a remarkable cover of "Axel F" from "Beverly Hills Cop" on bottles and instruments made out of bottles.