Arcadia (planet)
Arcadia was a human colony.
The colony was established in the 26th century. The Seventh Doctor visited Arcadia and found it to be a non-technological paradise which served as a living specimen for a centuries-long experiment. (PROSE: Deceit)
The Sixth Doctor once decided to take Frobisher and Peri to Arcadia. He told of its "rolling fields, glittering still lakes and vast cloudless skies". However, he landed on the Mayflower by mistake. (COMIC: Profits of Doom)
Later, the Eleventh Doctor took Amy Pond to Arcadia. Her comment to the Doctor that he was being exceptionally nice to her by taking her to Arcadia suggested that it was a pleasant place, at least when they visited it. (TV: Vincent and the Doctor)
There was an unspecified Arcadia that was the source of diamonds, which were very valuable. Captain John Hart once tried to steal one, but was betrayed by the woman he planned to take it from after her death. (TV: Kiss Kiss, Bang Bang)
