Image: London bridge at night with lights moving through it

History

3 minute lesson

The History of London in Paper

Explore 40,000 years of the history of London beautifully animated in stop-motion. This journey brings art and archaeology together in an awe-inspiring way.

View Touchstone
Cenote, Underwater Caves John Stanmeyer, National Geographic

Places

4 minute lesson

Exploring Mexico’s Underwater Caves

Cenotes might seem like nothing more than big pits, but these underground caves are central to the vibrant ecological health of the Yucatan jungle.

View Touchstone
Image: Photograph of a liquid mountain on Lake Erie

Arts

7 minute lesson

Capturing the Liquid Mountains of Lake Erie

David Sanford is a photographer who is reminding us of the power of nature through photographing the monstrous waves of Lake Erie.

View Touchstone
Image: Biosphere 2 rainforest

Science

17 minute lesson

Biosphere 2: A Rainforest and a Reef in the Middle of the Desert?

Welcome to Biosphere 2, the closest thing to Earth… on Earth?

View Touchstone