3 Must-See Hop-off AttractionsDon't have enough time to hop-off at every bus stop? Well, make sure you visit the Alamo, one of the best historic attractions in San Antonio. This landmark commemorates the bravery of those who fought in the 1836 battle of Alamo. Another must-see attraction is the 18th century San Fernando Cathedral, located right in the heart of the city and one of the oldest in the USA. If you're taking this tour in the early evening as the sun begins to go down, you'll see the spectacular lights that accentuate it's stunning architecture. Make sure you hop-off at Bus Stop 9 to see the Hipolito F. Garcia Federal Building, a courthouse built to tackle the spike in unemployment during the Great Depression.