Webthe san antonio museum of art is one of only four museums in the u. s. To display a sand mandala. Created in 2001 by drepung loseling monks of karnataka, south india as part of a buddhist ritual to promote healing. It took hours of work to meticulously place the colored sands in the right spaces. Webthat's why mysa. com wants to know what hidden gems san antonio has to offer. From riverwalk street art, to bluebonnet fields and secret menu items at local restaurants, we want to know. Mysa compiled a list of spots that many folks may. Webbook the most popular hidden gems in san antonio. Best price and money back guarantee! Read the reviews of your fellow travelers. Webhighly rated hidden gems in san antonio: Top hidden gem activities. See tripadvisor's 512,442 traveler reviews and photos of san antonio hidden gem attractions Webhighly rated hidden gems in san antonio: Top hidden gem activities. See tripadvisor's 5,13,402 traveller reviews and photos of san antonio hidden gem attractions. Webwhile everyone knows popular spots like san pedro springs park, phil hardberger park and brackenridge park, there are quite a few public spaces where you can get some fresh air without traveling.