Ancestry.com is offering free access to select immigration and border crossing records. Free access expires March 17, 2013 at midnight ET.

Go to: http://www.ancestry.com/cs/us/passengerlists  and for border crossings: http://www.ancestry.com/cs/us/passports

Immigration Collections include:

New York Passenger Lists 1820-1957

California Passenger and Crew Lists 1882-1957

Canadian Passenger Lists, 1986-1935

Titanic Survivors, Carpathia Passenger List 1912

UK Outward Ship Passenger Lists, 1890-1960

Hawaii Passenger Lists, 1941-1948

Honolulu, Hawaii Passenger and Crew Lists 1900-1959

Australian Convict Transportation Registers-Other Fleets and Ships 1791-1868

Border Crossings:

Border Crossings from Canada to us 1895-1954

Border Crossings from Mexico to US 1895-1957

US Passport Applications 1795-1925

Detroit Border Crossings and Passenger and Crew Lists 1905-1957

US Consular Posts, Emergency Passport Applications, 1915-1926

You will have to register –its free.  Name, email and password.

If you access one of the collections that are not being offered free through Ancestry- you will be offered a paid subscription but will not be able to view the records for free.