Double EXP: Yes, there is a 100% experience booster during the event.

The Explorer's Celebration starts on November 12 at 10AM EST, and runs until Monday, November 16 at 10AM EST, the limited-time Explorer’s Celebration grants you additional rewards for the following in-game activities:

• Double drops from harvest nodes (Fishing excluded)
• Double XP gains from every source (100% experience boost)
  • This stacks with other XP boosts such as scrolls or group multipliers
• Double gold earned from monster kills, quest rewards, and similar sources

These bonuses are available to all players in any zone in Tamriel—including Markarth’s two new zones, the Reach and Arkthzand Caverns!

Note that the Explorer’s Celebration doesn’t grant Event Tickets and doesn’t have its own unique quests, Achievements, or collectibles associated with it. Additionally, the Impresario isn’t available during this limited period.

To sum up, the Explorer’s Celebration begins on thursday and runs for this weekend only, so don’t miss out on your chance to get extra XP, gold, and resource node drops—have fun!