Ruffed Grouse Courtship Display
Linda Freshwaters Arndt
Iron Age, Druid Religious Festival
British Library
Native American Indian War Dance
British Library
Circumcision, Ancient Egypt, 2600 Bc #1
Wellcome Images
Great Crested Grebes
Des Ong FLPA
Gentoo Penguins Bonding
Gregory G. Dimijian
Ring-necked Pheasant #1
Willi Rolfes
Xochiquetzal
Photo Researchers
Ruffed Grouse Drumming #1
Linda Freshwaters Arndt
Stonehenge, Druid Festival
Science Source
Royal Terns #1
Paul J. Fusco
Aztec Human Sacrifice Codex #2
Photo Researchers
Hortus Sanitatis, Female Mandrake, 1547
Wellcome Images
Royal Terns
Paul J. Fusco
Person Showing Cowry Shell Detail
Art Wolfe
Ruffed Grouse Courtship Display #18
Linda Freshwaters Arndt
Snowy Egret Egretta Thula #4
Millard H. Sharp
Violet-green Swallow
Richard Hansen
Roseate Spoonbills
Thomas And Pat Leeson
Haida Moon Mask
Photo Researchers
Ruffed Grouse Courtship Display #6
Linda Freshwaters Arndt
Castlerigg Stone Circle, Keswick
Thomas Hanahoe
Chanukah Menorah
Alan and Sandy Carey
Black-browed Albatross Couple #3
Jean-Louis Klein & Marie-Luce Hubert
Boy Shaving For The First Time
D. Corson/ClassicStock
Great Crested Grebe Courtship
Duncan Usher
Mandrake Root Alchemy Plant #4
Science Source
Female And Male Mandrake, Alchemy Plant
Science Source
Ojibwe Feast Of Nanabozho
Photo Researchers
Mandrake Root, Alchemy Plant #1
Science Source
Ruffed Grouse Courtship Display #9
Linda Freshwaters Arndt
King Penguins #41
John Shaw
King Penguins #4
Art Wolfe
Royal Terns #2
Paul J. Fusco
Dionysos Mosaic, 4th Century Bc
Science Source
Iroquois Corn Husk Mask
Gary Retherford
Courtship Of Laughing Gulls #3
Ivan Kuzmin
Whirling Dervishes
Photo Researchers
Ruffed Grouse Courtship Display #4
Linda Freshwaters Arndt
Tobacco In Aztec Ritual, Florentine #1
Photo Researchers
Tobacco In Aztec Ritual, Florentine #1
Science Source
Tobacco In Aztec Ritual, Florentine #2
Science Source
Druids, The Ritual Of Oak And Mistletoe
Science Source
Bloodletting Ritual, 709 Ad
Science Source
Tobacco In Aztec Ritual, Florentine
Science Source
Magic Circle Ritual, 18th Century
Wellcome Images
South Africa, Khoikhoi Moon Ritual
Science Source
Tobacco In Aztec Ritual, Florentine
Photo Researchers
Druid Performing Ritual
Science Source
Royal Terns
Anthony Mercieca
Ruffed Grouse Courtship Display #19
Linda Freshwaters Arndt
Ruffed Grouse Courtship Display #14
Linda Freshwaters Arndt
Ruffed Grouse Courtship Display #3
Linda Freshwaters Arndt
Royal Terns #3
Anthony Mercieca
Southern Skuas
Jean-Louis Klein & Marie-Luce Hubert
Native American Indians, Tribal Dance
Photo Researchers
Woman With Scarification, Sudan
Kazuyoshi Nomachi
Aztec Human Sacrifice, Codex
Photo Researchers
Peacock
Gregory G. Dimijian, M.D.
Stone Of Tizoc, Aztec Sacrificial Stone
Science Source
Human Sacrifice, Pre-columbian
British Library
Stone Of Tizoc, Aztec Sacrificial Stone
British Library
Female And Male Northern Elephant Seals
Richard Hansen
Great Blue Heron Courtship Display #1
Craig K. Lorenz
Aztec Human Sacrifice, Codex Tudela
Photo Researchers
Great Blue Heron Courtship Display
Craig K. Lorenz
Ruta Graveolens, Alchemy Plant
Science Source
Pennyroyal, Alchemy Plant
Science Source
Pennyroyal, Alchemy Plant #1
Science Source
Pennyroyal-Alchemy Plant #4
Science Source
Snowy Egret Egretta Thula
Millard H. Sharp