Juliet from Los Angeles came upon this sign near the summit of a 12-km hike up Turrialba Volcano, in Costa Rica. “As I stared down into giant crater of the active volcano, dotted with sulfur pools, I realized the sign was right. Swimming in those pools probably wasn’t worth the expense.”
The dryly practical approach seems to be a popular one at tourist locations around the world — especially zoos, such as this one on Langkawi Island:
Meanwhile, this resort in the Bahamas adds its own whimsical twist: