Workers remove soil at a dig in the Long Barrack on the Alamo grounds in Texas. (AP)
Musket balls that might be from the 1800s are among the items found in a dig on the Alamo grounds. (AP)
Workers sift through dirt near the Alamo. They are looking for anything left from people who lived and fought at the site. (AP)
The Alamo is lit up at night in San Antonio, Texas.
At the Alamo in Texas, bags of soil with labels and notes are placed in a bin to be looked through later. (AP)