Reporter Damien Cave and photographer Todd Heisler are traversing the U.S. on Interstate 35, one of the nation’s main pathways to a new life for immigrants.

As they search for America’s melting pots or unassimilated areas along the route, where should they look?

They’d like to hear from people in the I-35 corridor who can help them understand issues surrounding immigration. Learn more about their project and share information with them at their interactive website and the New York Times’ Facebook page.

Update: The 39-day series ended in late June. You can read the series online, where you can scroll to the bottom of the page to find links to the daily reports.