Excavation Of Indian Mound, 1850
Science Source
Mammoth Site Museum
Mark Newman
Ancient Celtic Cemetery Hallstatt
Science Source
Dinosaur National Monument Park #2
James L. Amos
Dinosaur National Monument Park
James L. Amos
Dinosaur National Monument Park #1
James L. Amos
Excavation Of Akrotiri, Greece #2
Gianni Tortoli
Excavation Of Akrotiri, Greece #3
Gianni Tortoli
Excavation Of Akrotiri, Greece #1
Gianni Tortoli
Excavations At Olduvai Gorge, Tanzania
Des Bartlett
Excavation Of Akrotiri, Greece
Gianni Tortoli
Dinosaur Hill, Colorado
Francois Gohier
Thomas Jefferson, 3rd American President #2
Omikron
Dinosaur Excavation Site
Science Source
Vase From Excavation Of Tell Ahmar #1
Gianni Tortoli
Vase From Excavation Of Tell Ahmar
Gianni Tortoli
Terrace House Excavation, Ephesus
Theodore Clutter
Figurines From Tell Brak Excavation
Gianni Tortoli
Singer From Excavation Of Mari
Gianni Tortoli
Figurines From Tell Brak Excavation #1
Gianni Tortoli
Heracleion, Contemporary Excavations
Christian Jegou
Pompeii, Italy
Rafael Macia
Leakey At The Olduvai Gorge
Science Source
Paleontologists Excavating Mammoth Bones
E.r. Degginger
Mayan Ruins
George Holton
Temple II And Great Plaza
George Holton
Archaeological Dig In Greece
Gianni Tortoli
Thomas Jefferson, 3rd American President
Omikron
Heinrich Schliemann, German Archeologist
Science Source
Tools Used To Excavate Dinosaur Fossils #1
Ted Kinsman
Ancient Celtic Cemetery, Hallstatt #2
Science Source
Neolithic Village, Beidha, Jordan
Adam Sylvester
Well Drilling
Inga Spence
Drilling Well
Inga Spence
Nyc Subway Construction, 1926
Science Source
Shards Of Ancient Greek Vase
Gianni Tortoli
Deinotherium Remains
Des Bartlett
Olduvai Gorge, Tanzania
Jeanne White
Unesco World Heritage Site, Lenggong #1
W.k. Fletcher
Heinrich Schliemann
Science Source
Dinosaur National Monument
Harold Brodrick/Science Source
Thomas Jefferson, 3rd American President #1
Photo Researchers
Thomas Jefferson, 3rd American President #3
Photo Researchers
Trench Dug By Spirit On Mars
NASA / JPL-Caltech
Femur Of Camarasaurus Covered
Ted Kinsman
Camarasaurus Vertebrae Covered
Ted Kinsman
Hand Brush Next To Un-excavated Fossil
Ted Kinsman
Tools Used To Excavate Dinosaur Fossils #2
Ted Kinsman
Roman Ruins, France
John Shaw
Fortified Building, England
Tim Holt
Fortified Building, England #2
Tim Holt
The Oseberg, Viking Ship
Science Source
Lock Construction
Inga Spence
Santa Rita Copper Mine
Inga Spence
Coal Mine, Wyoming
Inga Spence
Santa Rita Copper Mine #1
Inga Spence
Santa Rita Copper Mine #2
Inga Spence
Cross-section Of Lead Mine With Fossil
Wellcome Images
Jarlshof Prehistoric Archeological Site
Science Source
Excavating Coptic Village, Egypt
Brian Brake
Terracotta Guardian Army
George Holton
Gold Mining Bucket Dredge
Theodore Clutter
Louis Leakey At Olduvai Site
Des Bartlett
Louis Leakey At Olduvai Site #1
Des Bartlett
Louis Leakey At Olduvai Site #2
Des Bartlett
Pikeville, Kentucky #1
Kenneth Murray
The Lavender Pit
James Zipp
Thomas Jefferson, 3rd American President
Photo Researchers
Exhumation Of The Mastodon
Science Source
Thomas Jefferson, 3rd American President #1
Omikron