10,000 Year Clock

2026

2026

The 10,000 Year Clock — orrery and solar synchronizer

Orrery & Solar Synchronizer

The 10,000 Year Clock — mechanical gears inside the mountain

Inside the Mountain

The 10,000 Year Clock — date display rollers

10,000-Year Calendar

The 10,000 Year Clock — entrance carved into the Sierra Diablo

Sierra Diablo Entrance

Join the waiting list to learn more about touring the Clock once it's complete.