Wikivoyage (en)
From WikiApiary, monitoring the MediaWiki universe
Wikivoyage Officially Launched
Blog post Wikimedia Foundation launches Wikivoyage, a free, worldwide travel guide that anyone can edit went live today and it's very cool to see the big jump in usage on Wikivoyage (en) and Farm:Wikivoyage via WikiApiary.

Snapshot graph of Wikivoyage (en) from Jan 15 2013.