Long Now Locations

Nuclear waste experts study this prehistoric crater lake to envision landscapes one million years in the future.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

Be careful not to get trampled at this lively two thousand-year-old market.

Just another ancient, mysterious Irish stone circle.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The largest hewn stone in history.

The closest thing to Mars on Earth.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The oldest working mechanical clock in the world.

Home to Hollywood history and a very special salt crystal.

A clock designed to run with perfect accuracy for 10,000 years.

The world's second-largest sundial, made entirely out of stone.

The longest living non-clonal organisms on Earth.