This video takes a look at hydrothermal vents and the novel life forms that thrive there in the absence of sunlight, fueled by underwater volcanoes. One of these harsh environments is the Axial Seamount off the West Coast of the United States.

When Penny returns from visiting her family in Nebraska, Leonard is happy to see her. Sheldon, however, is much less welcoming when he learns that her family has the flu.

The First Lady welcomes the first act in an evening of poetry, music and spoken word at the White House. Pianist ELEW and bassist/singer Esperanza Spalding kick off the evening with an instrumental jazz fusion performance. Enjoy!

Taylor Swift's incredible performance of her track "I Knew You Were Trouble" at Capital FM's Jingle Bell Ball!

Lifestyle video blogger Aspyn Ovard demonstrates how she packed her suitcase efficiently for a recent trip to the Bahamas.

Here is Australian rock band INXS's single "Freedom Deep" from their 1993 album Full Moon, Dirty Hearts. Enjoy!

Canadian sensation Shawn Mendes made his debut at age 16 with the album "Handwritten." Here he performs the hit single "Stitches" in a duet with US singer and actress Hailee Steinfeld.

Sigrid begins her tale of how she ended up in Italy, where she's now living. She was born in Minneapolis and raised in New York. As a young adult, she relocated to Switzerland in order to study early music. In this video, she talks about traveling to Europe for the first time and learning about the different genres of music prior to the classical era.

The President and First Lady kick off an evening of poetry, music, and the spoken word at the White House.

As the story goes, the theater of the Montreux Casino caught fire during a Frank Zappa concert in 1971. Members of the British band Deep Purple were in attendance and later wrote this song about the event. "Smoke on the Water" is one of the most famous songs in rock and roll history, known for its memorable guitar riff. Enjoy commentary from keyboardist Jon Lord after the concert footage!

Leonard finally tells Penny how Sheldon saved his life and broke the elevator at the same time.

American adult animated sitcom "Family Guy" has been nominated for and won many awards. It continues to air new episodes, going on its fourteenth season.

Out of 59 National Parks in the USA, California and Arizona are home to 20% of them. Join our traveler Josh as he explores some of the most beautiful views in the world.
Parks Featured:
Redwood National and State Parks -California
Yosemite National Park - California
Point Reyes National Seashore
Grand Canyon National Park- Arizona
Learn more about these and other spectacular U.S. national parks!

Legendary singer, songwriter, and guitarist Prince has passed away at age 57. In this obituary video, a short retrospective of his work pays tribute to his talent and unique aesthetic sensibility.

MAGIC! is a Canadian reggae fusion band. Members Nasri, Ben Spivak, Mark Pellizzer, and Alex Tanas stopped by On Air with Ryan Seacrest to perform their hit song "Rude."