"Remember the Alamo" became the rallying point of the Texan revolution against Mexico. Located in the heart of downtown, today The Alamo is a shrine and museum. A tour of downtown San Antonio will uncover centuries of history. Attractions include: The River Walk (Paseo del Rio), Tower of the Americas, Spanish Governor's Palace, Fort Sam Houston, King William Historic District, La Villita National Historic District, Market Square, San Antonio Botanical Gardens, Brackenridge Park, Witte Museum, Blue Star Arts Complex, San Antonio Zoological Gardens and Aquarium, Casa Navarro State Historic Site, HemisFair Park and the Institute of Texan Cultures.