The new Agua Caliente Cultural Plaza in downtown Palm Springs will open this spring and feature the Agua Caliente Cultural Museum, a Gathering Plaza, the Oasis Trail and The Spa at Sec-He. Read more Agua Caliente Palm Springs: New Cultural Plaza Opens Soon Ma. The name 'sec-he' means the 'sound of boiling water', the original name for the hot mineral spring. The Spa at Sec-he at the new Agua Caliente Cultural Plaza will open on Tuesday April 4th. Read more Agua Caliente Palm Springs: The Spa at Sec-He opens April 4 Ma. Indian casinos around Southern California are celebrating Halloween with special cocktail concoctions, costume contests, live music, Halloween bites and special gaming promotions. News Headlines Southern California Casinos Celebrate Halloween Octo.