Lotus Secret Garden ›

Rare cycads, cacti, and an "abalone shell" pool.

Admission is technically free, though there is a donation box on-site for upkeep. Location: 3901 Minnow Rd, Rex, GA 30273. 2. Ganna Walska Lotusland (Montecito, California) Lotus Secret Garden

3. The Secret Garden (Huwon) at Changdeokgung Palace (Seoul, Korea) Rare cycads, cacti, and an "abalone shell" pool