Hundreds of phalluses from small wooden carvings to big stone sculptures decorated with ribbons make this shrine quite unique. It honors Chao Mae Tuptim, a female fertility spirit. Women visit this shrine when they are trying to conceive, leaving offerings of lotus and jasmine, and if Bangkok gossip is worth anything, the shrine has a good success rate. To get there, go to the Nai Lert Park Hotel and walk to the end of the ground-level garage, where it's on your right.
It's free and open 24 hours everyday, but best to visit before dusk.
Nai Lert Park Hotel, 2 Wittayu, Bangkok, 10330, Thailand