Into the Electric Castle jest dwupłytowym albumem utrzymanym w konwencji metalu progresywnego wydanym w 1998 przez holenderskiego multiinstrumentalistę Arjena Lucassena. Jest to trzeci album wydany pod szyldem Ayreon.

Lista utworów CD 1 Welcome to the New Dimension - 3:05 Isis and Osiris – 11:11 Let the Journey Begin The Hall of Isis and Osiris Strange Constellations Reprise Amazing Flight – 10:15 Amazing Flight in Space Stardance Flying Colours Time Beyond Time – 6:05 The Decision Tree (We're Alive) – 6:24 Tunnel of Light – 4:05 Across the Rainbow Bridge – 6:20 CD 2 The Garden of Emotions – 9:40 In the Garden of Emotions Voices in the Sky The Aggression Factor Valley of the Queens – 2:25 The Castle Hall - 5:49 Tower of Hope – 4:54 Cosmic Fusion – 7:27 I Soar on the Breeze Death’s Grunt The Passing of an Eagle The Mirror Maze – 6:34 Inside the Mirror Maze Through the Mirror Evil Devolution – 6:31 The Two Gates – 6:38 "Forever" of the Stars – 2:02 Another Time, Another Space – 5:20