Official website of the Department of Homeland Security
Learn About CBP
Preserving Cultural Resources
Congressional Office FAQs
Media & Public
Stats and Summaries
U.S. Citizens/Lawful Permanent Residents
Trusted Traveler Programs
Facilitating Legitimate Trade
Along US Borders
Border Patrol History
Border Patrol Sectors
At Ports of Entry
From the Air and Sea
Domestic General Aviation
Customs Mutual Agreements
World Customs Organization
Which Career is Right for You?
Border Patrol agent
Air and Marine agent
CBP agriculture specialist
Careers for Women
Administrative, Professional and Technical
Prepare to Apply
FAQs about Applying
Hiring Persons with Disabilities
Images of monuments 2 on the U.S.-Mexico border.
Images of monuments 185 on the U.S.-Mexico border.
International Monument No. 163, located in Organ Pipe Cactus National Monument in Arizona.
Monument No. 258, situated between the western boundaries of the U.S. and Mexico.
Monument No. 210 is located a few miles east of Gordon's Well, Imperial County, California. Courtesy David Taylor, "Border Monument No. 210, N 32° 42.352' W 114° 54.596, 2009."
Old Monument No. 16, looking east, was built in the early 1850's to mark the U.S. - Mexico border. Courtesy National Archives (76-OM-1-144)
An 1894 photograph shows the southeast view of Monument No. 258, also known as Old Monument No. 1, after renovation and the erection of a protective fence.