Woman Wept

Woman Wept was a planet visited by the Ninth Doctor and Rose Tyler. It was stolen by the New Dalek Empire along with 26 other planets in the Planetary Relocation Incident.

Landscape
Woman Wept had a continental land mass shaped like a lamenting woman. The entire ocean, including waves hundreds of feet high, froze in an instant because of an event involving its sun. (TV: Boom Town) This was later revealed to be due to the planet being moved from one place to another. (TV: Journey's End)

History
The Ninth Doctor and Rose Tyler visited Woman Wept together, a visit which Rose later recounted to Mickey Smith. (TV: Boom Town)

Woman Wept was stolen by Davros and the Daleks and was placed in the Medusa Cascade. (TV: The Stolen Earth) When Donna Noble defeated the Daleks, Donna, the Tenth Doctor and the Meta-Crisis Tenth Doctor helped return the planet to its rightful place. (TV: Journey's End)

Behind the scenes
According to The Doctor's Lives and Times, the race for Enlightenment began in orbit of Woman Wept.