I decided to give a sample of some of the collections on Archive.org because the website is more than a little complicated and difficult to use. Here is a sample of some of the offerings:
BYU Utah Valley Obits
A collection of obituaries from the Provo Daily Herald.
Collection of compiled records showing service of military units in volunteer Confederate organizations
Collection of Eastern Cherokee applications of the U.S. Court of Claims
A collection of family genealogies.
Passenger and Crew Vessel Lists for New York, NY 1897-1957
Passenger and Crew lists for vessels arriving in New York, New York 1897-1957.
Passenger Lists of Vessels for Baltimore and Philadelphia
Passenger lists of vessels arriving at Baltimore and Philadelphia.
Passengers arriving in the St. Albans, VT District
Collection of passengers arriving in the St. Albans, VT District
Passport Applications, 1795-1905
Passport applications from 1795-1905. Microfilm contributed by Allen County Public Library Genealogy Center.
Records of the Cotton Bureau of the Trans-Mississippi Department of the Confederate War Department
Collection of records of the Cotton Bureau of the Trans-Mississippi Department of the Confederate War Department
Records of the field offices for the Bureau of Refugees, Freedmen, and Abandoned Lands
Collection of records of the field offices for the Bureau of Refugees, Freedmen, and Abandoned Lands
I think you can get the idea. This list goes on and on and on.