Many secrets remain surrounding the creation of Stonehenge. Archaeologists try to unravel the mystery.

"Livin' on a Prayer" is one of the most famous singles from 80's power rock group Bon Jovi. Enjoy!

This is grunge band 3 Doors Down with their song “When I’m Gone”. Happy listening!

Sigrid explains various sounds associated with the letter "E."

On this second clip from Faithless band members, Sister Bliss and Maxi Jazz, they discuss ‘Comin Around’, a song recorded in collaboration with Temper Trap. It speaks to the issue of dealing with the challenge of personal relationships that fail.

"We Don't Talk Anymore" is a song produced and performed by American singer Charlie Puth with guest vocals from Selena Gomez.

Listen to "Moonshine" by Georgian-British singer Katie Melua.

Check out born and bred Maui riders Kai Lenny, Shawn Richman and Jesse Richman showing off their kiteboarding skills and talking about what makes Maui the perfect place.

"D" is a voiced consonant that sounds a bit different depending on its context in a word or sentence.

British-Georgian singer Katie Melua sings her song "Wonderful Life."

New York/Berlin based band Bee and Flower perform live near Prague, in the Czech Republic.

First performed by Anna Kendrick in the movie "Pitch Perfect," the song "Cups" is presented again in this music video.

Theater director Simon Stone deconstructs some of the common visual and audio tricks of modern theater, utilizing a cast of first-time volunteer actors recruited in the days prior to TEDxSydney 2011 and rehearsed just once.

Sigrid explains about the "hard" and "soft" sounds for the letter "C."

Auckland is the biggest city in New Zealand and boasts a cosmopolitan blend of European, Maori, Asian and Polynesian cultures, as well as a natural environment that encourages visitors to embrace the great outdoors.