Don't know if you'd consider this a secret, but one of the four homes in Heroes landing houses a baby villager named The Dinklage (reference to the actor) and his servant in the show Game Of Thrones, Podrick. Gandal the fireworks master is also obviously named after Gandalf the Wizard from LotR.Thats what people said last map...
I will hunt forever. Buying Secrets, pm Dsaw
I don't believe there are any easter eggs, sorry to sink the ship.. Feel free to look for them though, i could be wrong