Ask WoW Insider: Places you didn't know existed?

We're back again this week for another edition of Ask WoW Insider, where we ask our readers the questions you want answered. This week's question comes from Naimon of Black Dragonflight, who notes that even after questing through Feralas on two characters, he had no idea that you could base jump off the Twin Colossals. Naimon asks,

The discovery got me thinking about other possible worthwhile places that I didn't know existed, and I was wondering if someone has compiled a sort of WoW Tour Guide Book.

What do you think, readers? Are there any cool places in the World of Warcraft that Naimon needs to know about?

And remember -- Ask WoW Insider lives for your questions. Ask us anything by e-mailing ask AT wowinsider DOT com.