Gladys Porter Zoo is a zoological and botanical park located in Brownsville, Texas. The zoo officially opened on September 3, 1971, and currently averages 375,000 visitors annually.
Palo Alto Battlefield National Historical Park near Brownsville, Texas is a National Park Service unit which preserves the grounds of the May 8, 1846, Battle of Palo Alto.
The Sabal Palm Sanctuary is a 557-acre nature reserve and bird sanctuary located in the delta of the Rio Grande Valley in Cameron County near Brownsville, Texas.
Boca Chica State Park is a Texas state park located in the Boca Chica Subdelta of the Rio Grande near Brownsville in southeastern Cameron County, Texas in the United States. The park was acquired and opened in May 1994.