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Showing posts from April, 2016

Mt. Etna, Sicily

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Mt. Etna Volcano, Sicily, Italy Visit Europe's highest and most active volcano, Etna on the island of Sicily. And see how the people of Catania have lived with their lava-spewing neighbor for more than two millennia!

Yellowstone SW, Early Spring

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Yellowstone SW, Early Spring Madison River, Firehole River, Grand Prismatic Spring, Old Faithful Come see Yellowstone like few see it - in early Spring before the grass turns green, before the animals completely lose their winter coats, and before the crowds arrive. This trip covers southwestern Yellowstone from West Yellowstone to Old Faithful.

Guadalupe Mountains National Park

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Guadalupe Mountains and the National Park, Texas and New Mexico Visit the best preserved ancient reef on Earth!

Carlsbad Caverns part 2

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Carlsbad Caverns National Park, Part 2 These stalactite blades are just fascinating! When I was a boy I pictured what it would be like to be here in an earthquake. Chop! Chop! 

Carlsbad Caverns part 1

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Car lsbad Caverns National Park, New Mexico Explore this giant cavern network that developed in an ancient reef!

Salmon River, Idaho, Early Spring

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Salmon River, Idaho Early Spring Tour North America's longest undammed river, the Salmon in Idaho, from its headwaters to the canyon where Lewis and Clark had to give up and turn around. In this trip, we'll see it in early Spring when the snow has just melted off the lower valleys but still caps the peaks. I'll take you there in Summer and Fall in later trips.

Buffington Window, Nevada

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Buffington Window, Nevada Explore this scenic geologic wonder just 32 miles NE of Las Vegas, Nevada, next to Valley of Fire State Park.

Mexico City

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Mexico City A Geologic Perspective See what happens when you build a city on a lake and pump out the water!