The word "archaeological" refers to anything related to the study of ancient human history through the examination of artifacts, structures, and remains. Full definition
Examples of its influence can be found in a wealth of archaeological sites spread across the country. (luxuryretreats.com)
The South African archaeological record is so important because it shows some of the oldest evidence for modern behavior in early humans. (sciencedaily.com)
It's also really difficult to find archaeological evidence in this environment, and many locations are only accessible by boat. (science.howstuffworks.com)