Collating Data on these jumps:
Simplified for location Providence and video /pictures where provided. Thanks to all contributors!
Direwolfe - "There's a seagull that flies by and shrieks to let you know which direction to jump in."
Acheronian Circle: Evito - http://youtu.be/zqbNXWI8gNo Acheronian Ruins, Tortage
North Tower: On Bridge in OT near the entrance to Nobles/Commons district
South Tower: On Bridge in OT near the entrance to Nobles/Commons district
Over the Signal Flame: Evito - http://youtu.be/s9oOYQriHHw Common District
The Hand of Erlik: Evito - http://youtu.be/Z08OdtLtH18 Turan,
Xibaluku Needle: LolGuy:
http://funkyimg.com/view/U8uy
http://funkyimg.com/view/U8uz
http://funkyimg.com/view/U8uA
Evito - http://youtu.be/htk3rH4rGpA Thunder River
Ymirish Cliff: Evito - http://youtu.be/3PYSenDfgoE Connal's Valley
Western Cliffs: LolGuy - http://www.youtube.com/watch?v=JZnTcdwRJlU Keshatta
Dip in the Oasis: Evito - http://youtu.be/6AHXDeej83M Dragon's Spine
Mind the Gap: Evito http://youtu.be/6r5dwoUV6go Khopsef Province
Seat of Crom: Evito - http://youtu.be/Xxp0iXO2Usg Fields Of The Dead
Touch the Heavens: Evito - http://youtu.be/-nX4vHO-Z14 Paikang, need to acquire a Lustrious Crowman Feather in order to access the jump site
Evito - http://youtu.be/MirHeczf-fk - Purifying Leap (this is a separate leap to the 12 in leaps of faith inside pillars) Northern Grasslands, Khitai