'Tis the season for shredding the slopes, and 'tis the month for leap day. February 29 finds its place on calendars every four years, and this leap year, as leap day babies celebrate their long-awaited actual birthdays, they can also shack up on Mammoth Mountain for free. more ›

It's February 29th -- Happy Leap Day! While others are pondering mysteries like "what happens to a baby born on February 29th?" and "Does this have anything to do with last night's episode of 'Lost'?", we're going to take the opportunity to teach you a shiny new word! It's called intercalation, and it's what Julius Caesar did back in the day to fix the wacky Roman calendar system: inserting extra units of time (in our case, one day at the end of February) into the regular calendar to make up for that 1/4 day imbalance in our time measurement system. more ›