Perfect for Valentine’s Day, the garden ignites all of five senses, sound, sight, smell, touch and even taste. One of the newest and most exciting additions to Houston’s must-see attractions is the Houston Botanic Garden. Sign up for Valentine's Cupid Run on the Bayou! From February 11th - 19th, runners can choose 5K, 10K, half or full marathon distances at their own pace and time. Love the great outdoors? Houston has no shortage of green spaces and parks for you to visit and explore.