Updated Sep 29, 2012:
List extracted from the internal asset data table in client version 0.8.6.
Format:
Bldg-Castle1?ATS=ATS-Castle
Bremen_Asylum?ATS=ATS-Castle
Bldg-Corsica_Manor?ATS=ATS-Spanish
Bldg-Bastion1
Bldg-Bastion2
Bldg-Bastion3
Bldg-Blood_Keep
Bldg-Blood_Keep1
Bldg-BloodTower1
Bldg-Bremen_Asylum
Bldg-Bremen_Straight
Bldg-Bremen_WallE
Bldg-Bremen1
Bldg-Bremen3
Bldg-BremenA_CharBG
Bldg-BremenB
Bldg-BremenChurch
Bldg-BremenChurchInt
Bldg-BremenCluster1
Bldg-BremenCluster3
Bldg-BremenD
Bldg-BremenE
Bldg-BremenF
Bldg-BremenG
Bldg-BremenG_b
Bldg-BremenH
Bldg-BremenH_b
Bldg-BremenI
Bldg-BremenJ
Bldg-BremenK
Bldg-BremenM
Bldg-BremenM_b
Bldg-BremenN
Bldg-BremenO
Bldg-BremenP
Bldg-BremenQ
Bldg-BremenR
Bldg-BremenR_CharBG
Bldg-BremenS
Bldg-BremenS_b
Bldg-BremenT
Bldg-BremenWall
Bldg-Broccan_Test
Bldg-Broken_Tower
Bldg-Burned_Treehouse1
Bldg-Burned_Treehouse2
Bldg-Burned_Treehouse3
Bldg-Burned_Treehouse4
Bldg-Camelot_Chamber
Bldg-Camelot-Inn1
Bldg-Camelot-Inn2
Bldg-Camelot1
Bldg-Camelot10
Bldg-Camelot11
Bldg-Camelot12
Bldg-Camelot13
Bldg-Camelot14
Bldg-Camelot15
Bldg-Camelot16
Bldg-Camelot17
Bldg-Camelot18
Bldg-Camelot2
Bldg-Camelot3
Bldg-Camelot4
Bldg-Camelot5
Bldg-Camelot6
Bldg-Camelot7
Bldg-Camelot8
Bldg-Camelot8b
Bldg-Camelot9
Bldg-Castle_Extension
Bldg-Castle_Steps1
Bldg-Castle-Camelot
Bldg-Castle-Med_Castle1
Bldg-Castle-Med_Castle2
Bldg-Castle-Small_Keep1
Bldg-Castle-Tower1
Bldg-Castle1
Bldg-Chunnel_Entrance
Bldg-Chunnel_Entrance2
Bldg-Church1
Bldg-City1
Bldg-City2
Bldg-City3
Bldg-City4
Bldg-City5
Bldg-Classical_Shell
Bldg-Classical-Blacksmith
Bldg-Classical-Inn1
Bldg-Classical-Inn2
Bldg-Classical-Large_House1
Bldg-Classical-Med_House1
Bldg-Classical-Small_House1
Bldg-Corsica_House1
Bldg-Corsica_Manor
Bldg-Corsica-Inn1
Bldg-Cottage_Large1
Bldg-Cottage_Large2
Bldg-Cottage_Medium1
Bldg-Cottage_Medium2
Bldg-Cottage_Medium3
Bldg-Cottage_Small1
Bldg-Cottage_Small2
Bldg-Cottage_Small3
Bldg-Cottage_Small4
Bldg-Cottage_Small5
Bldg-Cottage-Witch_Hut
Bldg-Current
Bldg-Desert-Facade-Med1
Bldg-Desert-Facade-Small1
Bldg-Desert-Facade-Small2
Bldg-Desert-Facade-Small3
Bldg-Djinn_Temple
Bldg-Dungeon-Entrance-Temple1
Bldg-Earthend_FauxRoof
Bldg-Earthend_Gate1
Bldg-Earthend_Tower1
Bldg-Earthend_Tower2
Bldg-Earthend_Wall1
Bldg-Earthend_Wall2
Bldg-Earthend1
Bldg-Earthend2
Bldg-Earthend3
Bldg-Earthend4
Bldg-Earthend5
Bldg-Earthend6
Bldg-Earthend7
Bldg-Elmswood_Farm
Bldg-Folkirk_Interior
Bldg-Folkirk_Mansion
Bldg-Fort_Anvil
Bldg-Gladiator-Arena_Divider1
Bldg-Gladiator-Arena_Divider2
Bldg-Gladiator-Arena_Entrance
Bldg-Gladiator-Arena_Stands
Bldg-Gladiator-Arena_Towers
Bldg-Grand-Temple1
Bldg-Graveyard_Ruins1
Bldg-GreekTest
Bldg-Greenline_Lodge
Bldg-Grey_Circle_HQ
Bldg-Grove_House
Bldg-Hall_of_Bones
Bldg-Hall_of_Bones-Int
Bldg-Heartwood_Barracks
Bldg-Heartwood_Church
Bldg-Heartwood_Inn
Bldg-Heartwood_SmallA
Bldg-Heartwood_SmallB
Bldg-Heartwood_SmallC
Bldg-Heartwood_SmallD
Bldg-Heartwood_SmallE
Bldg-Heartwood_SmallF
Bldg-Heartwood_SmallG
Bldg-Heartwood_SmallH
Bldg-Heartwood_SmallI
Bldg-Heartwood_Tower
Bldg-Heartwood_Vault
Bldg-Heartwood1
Bldg-Heartwood2
Bldg-Heartwood3
Bldg-Heartwood4
Bldg-Heartwood5
Bldg-Heartwood6
Bldg-Hychithah_Temple
Bldg-Iron_Maw1
Bldg-Iron_Maw2
Bldg-Iron_Maw3
Bldg-Junk_Palace
Bldg-Junk_Palace_Int
Bldg-LGBlocker1
Bldg-Mages_Tower
Bldg-MDBlocker1
Bldg-Nordic_Large1
Bldg-Nordic_Medium1
Bldg-Nordic_Medium2
Bldg-Nordic_Small1
Bldg-Nordic-House1
Bldg-Pridelord_Chamber
Bldg-Primitive_Example
Bldg-Primitive-Dolmen1
Bldg-Primitive-Dolmen2
Bldg-Primitive-Dolmen3
Bldg-Roman_Guildhall
Bldg-Roman_Low-House1
Bldg-Roman_Low-House2
Bldg-Roman_Low-House3
Bldg-Roman_Low-House4
Bldg-Roman-Crafthall
Bldg-Roman-House1
Bldg-Roman-House2
Bldg-Roman-House3
Bldg-RomanLowTest
Bldg-RomanTest
Bldg-Ruin_Pillars1
Bldg-Ruin_Pillars2
Bldg-Ruins_DS1
Bldg-Ruins_DS2
Bldg-Ruins_DS3
Bldg-Ruins_DS4
Bldg-Ruins_DS5
Bldg-Ruins_DS6
Bldg-Ruins-Chapel1
Bldg-Ruins-Druid1
Bldg-Ruins-Druid2
Bldg-Ruins-Druid3
Bldg-Ruins-Old_Keep1
Bldg-Ruins-Small_House1
Bldg-Ruins1
Bldg-Ruins2
Bldg-SinjasMansion
Bldg-SMBlocker1
Bldg-Spanish-House1
Bldg-Stable2
Bldg-Stone_Lion_Fort
Bldg-TaurianA
Bldg-Tent_Small_Facade1
Bldg-Tent_Small_Facade2
Bldg-Tent_Small_Facade3
Bldg-Tent_Small_Facade4
Bldg-Tent_Small_Facade5
Bldg-TenthLegionBarracks
Bldg-TentLarge1
Bldg-Tents-Command_Tent_Facade1
Bldg-Tents-Command_Tent1
Bldg-TentSmall1
Bldg-TentSmall2
Bldg-TestCastle
Bldg-Treevillage1
Bldg-Urban-Barn
Bldg-Urban-Barracks
Bldg-Urban-Blacksmith
Bldg-Urban-Inn1
Bldg-Urban-Inn1b
Bldg-Urban-Inn2
Bldg-Urban-Large_House1
Bldg-Urban-Med_House1
Bldg-Urban-Medium_Facade1
Bldg-Urban-Medium_Facade1b
Bldg-Urban-Medium_Facade2
Bldg-Urban-Medium_Facade2b
Bldg-Urban-Medium_Facade3
Bldg-Urban-Medium_Facade3b
Bldg-Urban-Small_Facade1
Bldg-Urban-Small_Facade1b
Bldg-Urban-Small_Facade2
Bldg-Urban-Small_Facade2b
Bldg-Urban-Small_Facade3
Bldg-Urban-Small_Facade4
Bldg-Urban-Small_Facade4b
Bldg-Urban-Small_House1
Bldg-Urban-Warehouse
Bldg-Wall_Slope
Bldg-Wall_Slope_Camelot
Bldg-Wall_SlopeB
Bldg-Wall_SlopeB_Camelot
Bldg-Wall18
Bldg-Wall18_b
Bldg-Wall18_c
Bldg-Wall18_Camelot
Bldg-Wall18_Camelot_b
Bldg-Wall18_Camelot_c
Bldg-Wall18_Camelot_d
Bldg-Wall18_d
Bldg-Wall9
Bldg-Wall9_b
Bldg-Wall9_c
Bldg-Wall9_Camelot
Bldg-Wall9_Camelot_b
Bldg-Wall9_Camelot_c
Bldg-Wall9_Camelot_d
Bldg-Wall9_d
Bldg-WallGate1
Bldg-WallGate1_Camelot
Bldg-WallRamp
Bldg-WallRamp_Camelot
Bldg-WallTower
Bldg-WallTower_Camelot
Bldg-Warpig_Fort