Archeological anomalies : small artifacts, bone, stone, metal artifacts, footprints, high technology

Archeological anomalies : graphic artifacts. I, Coins, calendars, geoforms, maps, quipus

Ancient infrastructure : remarkable roads, mines, walls, mounds, stone circles : a catalog of archeological anomalies

Ancient structures : remarkable pyramids, forts, towers, stone chambers, cities, complexes : a catalog of archeological anomalies

Biological anomalies--mammals : a catalog of biological anomalies

Biological anomalies--birds : a catalog of biological anomalies

Biological anomalies--humans : a catalog of biological anomalies

Neglected geological anomalies : a catalog of geological anomalies

Inner earth : a search for anomalies : a catalog of geological anomalies

Earthquakes, tides, unidentified sounds, and related phenomena : a catalog of geophysical anomalies

Lightning, auroras, nocturnal lights, and related luminous phenomena : a catalog of geophysical anomalies

Lightning, auroras, nocturnal lights, and related luminous phenomena : a catalog of geophysical anomalies