Season 4

Nationally recognized geologist Nick Zentner leads viewers on armchair adventures through Washington's diverse landscapes.

Video thumbnail: Nick on the Rocks Mt St Helens Crater

Nick on the Rocks

Mt St Helens Crater

Fly into the 1980 crater of Mt. St. Helens!

Mt St Helens Crater

Video thumbnail: Nick on the Rocks Ape Cave

Nick on the Rocks

Ape Cave

Red hot lava built this cave during a massive explosion on Mt St Helens 2000 years ago.

Ape Cave

Video thumbnail: Nick on the Rocks Teanaway Tropics

Nick on the Rocks

Teanaway Tropics

Palm trees in the center of Washington state? Yes ... Well, 55 million years ago.

Teanaway Tropics

Video thumbnail: Nick on the Rocks Saddle Mountains Buried in Ash

Nick on the Rocks

Saddle Mountains Buried in Ash

When thirty feet of volcanic ash in Washington’s Saddle Mountains fell out of the sky.

Saddle Mountains Buried in Ash

Video thumbnail: Nick on the Rocks Smith Rock Caldera

Nick on the Rocks

Smith Rock Caldera

This Oregon landmark can be traced back to supervolcanic explosions.

Smith Rock Caldera