Over the years I've been watching Anime, there have been ones I find worth checking out and ones not so worth. Additionally, I take the time to read up on a few old school titles I that find are must-watches for exploring Anime's past. Anyway, here's a divided list of recommendations you may want to check out, old and recent:

Science-Fiction

• Mach Go Go Go (1967. North American title: "Speed Racer")
• Tetsujin 28-Go (1963. North American title: "Gigantor")
• Cyborg 009 (1968)
• Mazinger Z (1972. North American title: "Tranzor Z")
• Science Ninja Team Gatchaman (1972)
• Neo-Human Casshan (1973)
• Space Battleship Yamato (1974. North American title: "Star Blazers: The Quest For Iscandar")
• Great Mazinger (1974)
• Getter Robo (1974)
• Tekkaman The Space Knight (1975)
• UFO Robot Grendizer (1975) Addded to list on 10/11/2013
• Space Pirate Captain Harlock (1978)
• Farewell to Space Battleship Yamato: In The Name of Love (1978)
• Space Battleship Yamato 2 (1978. North American title: "Star Blazers: The Comet Empire")
• Space Battleship Yamato: The New Voyage (1979)
• Galaxy Express 999 (1979)
• Space Carrier Blue Noah (1979. North American title: "Thundersub")
• Cyborg 009 (1979)
• Be Forever Yamato (1980)
• Shin Tetsuwan Atomu (1980)
• Space Battleship Yamato III (1980. North American title: "Star Blazers: The Bolar Wars")
• Mobile Suit Gundam: The Movie Trilogy (1981)
• Adieu Galaxy Express 999 (1981)
• Beast King GoLion (1981. Used to make the 1st 52 "Lion Voltron" episodes of "Voltron - Defender of the Universe") Added tlist on 10/11/2013
• The Super Dimension Fortress Macross (1982. Used to make the "Macross Saga" storyarc of 1985's Robotech)
• Arcadia of My Youth (1982)
• Arcadia of My Youth: Endless Road SSX (1982) Added to the list on 10/12/2013
• Space Adventure Cobra (1982)
• Final Yamato (1983)
• The Transformers (1984. A U.S./Japan co-production)
• Fist of the North Satr (1984) Added to the list on 10/12/2013
• Dirty Pair (1985)
• Mobile Suit Zeta Gundam (1985)
• Dragon Ball (1986)
• Mobile Suit Gundam Double-Zeta (1986)
• Dirty Pair (1987. This is the 10-episode "Dirty Pair" OVA series)
• Bubblegum Crisis (1987)
• Mobile Suit Gundam: Char's Counterattack (1988)
• Gunbuster (1988)
• Appleseed (1988)
• Akira (1988)
• Dominion: Tank Police (1989)
• Patlabor: The Movie (1989)
• Dragon Ball Z (1989)
• The Guyver: Bio-Booster Armor (1989)
• Mobile Suit Gundam 0083: Stardust Memory (1991)
• Patlabor 2: The Movie (1993)
• Macross Plus (1994)
• New Undersea Battleship (1995. North American title: "Super Atragon")
• Saber Marionette J (1998)
• Medarot (1999. North American title: "Medabots")
• Cowboy Bebop (1998)
• Maetel Legend (2000)
• Galaxy Angel (2001)
• MazinKaiser (2001)
• Ghost In The Shell: Stand Alone Complex (2002)
• Mobile Suit Gundam SEED (2002)
• The Galaxy Railways (2003)
• Xenosaga The Animation (2005)
• The Melancholy of Haruhi Suzumiya (2006)
• Mobile Suit Gundam SEED Destiny Special Edition (2006)
• Tengen Toppa Gurren Lagann (2007. North American title: "Gurren Lagann")
• Mobile Suit Gundam 00 (2007)
• Evangelion: 1.0 You Are [Not] Alone (2007)
• Evangelion: 2.0 You Can [Not] Advance (2009)
• Space Battleship Yamato: Resurrection (2009)
• Halo Legends (2010. A U.S./Japan co-production)
• Space Battleship Yamato 2199 (2012)
• Wolverine (2011. Better known as "Marvel Anime: Wolverine") Added to the list on 10/12/2013
• Sword Art Online (2012) Added to the list on 10/12/2013
• Evangelion 3.0: You Can (Not) Undo Added to the list on 10/12/2013
• Gundam Build Fighters Added to the list on 2/28/2014