Locals from La Jolla, the well-to-do San Diego neighborhood north of the city’s downtown, know Sunny Jim’s Sea Cave. After all, the long staircase has been in use since around 1902 ...

AND WE DO MEAN "SET YOUR ALARM": Tickets will move quickly, given the cave's perennial popularity and its recent closure. Your admission, once purchased, will give you the opportunity to join a 50 ...