Petroglyph:
Candlestick Park, San Francisco
Petroglyph:
CA_Golden_Gate_01
Petroglyph:
CA_Surfing_01
Petroglyph:
Gdn_Castle_Drongo_Devon
Petroglyph:
CA_Alcatraz_01
Petroglyph:
CA_Big_Sur_01
Petroglyph:
CA_Coast_02
Petroglyph:
Australia_Outback
Petroglyph:
Caernarvon_Castle
Petroglyph:
USA_CA_Boulder_Creek
Petroglyph:
USA_CAHigh_Sierra
Petroglyph:
St-Pierre_Miq_church
Petroglyph:
SP_Costa_del_Sol_01
Petroglyph:
St_Pierre_Miquelon_05
Petroglyph:
St_Pierre_Miquelon_04
Petroglyph:
St_Pierre_Miquelon_07
Petroglyph:
SP_Granada_01
Petroglyph:
PO_Roztocze_Nat_Park_01
Petroglyph:
IE_Giantts_Causeway_01
Petroglyph:
IE_Mournes
Petroglyph:
Soo_Locks
Petroglyph:
Michigan_Miners_Castle