Xploration Awesome Planet

An active volcano on Hawaii; a laboratory simulates a tsunami; tsunami history and damage; whether a tsunami will happen again on the West Coast.

Yellowstone National Park, the site of a potential supervolcano; Meteor Crater, in Arizona; powerful telescopes on Maui search the universe for meteors that might be headed Earth's way.

The Florida Everglades; Yellowstone's ecosystem; Earth as a giant ecosystem; the interdependency of all living things.

Mount Washington, N.H. -- "the home of the world's worst weather"; Florida's "Wall of Wind," where scientists simulate hurricane-force winds; a scientific research team pursues a tornado; destruction of debris thrown by tornadoes.

The Poconos of Pennsylvania; plants that eat insects; edible forest plants; how plants communicate.

The causes of forest-fires; lightning strikes; a glacier and an ice cave in Iceland; why glaciers are melting and how it will change the sea level.

Dinosaur bones and footprints; how the Hawaiian islands evolved from volcanoes; an old coal mine; how fossil fuels were formed.

Woods Hole Oceanographic Institute makes discoveries under the deep sea; coral reefs off the Florida coast; the power of Maui's massive waves.

Iceland: waterfalls and geysers, a volcanic mountain that may erupt at any time, producing electricity with geothermal and hydropower, a large glacier.

Red rock formations in Sedona, Ariz.; Hawaii's red, black and green beaches; colorful hot springs in Yellowstone National Park; colorful animals include the octopus, who can change color in an instant.

Hawaiian Islands: traditional methods of catching fish and collecting sea salt, sea creatures along the coral reef, a limestone cave where ancient artifacts are preserved.

Croatia's waterfalls and caves; Plitvice Lakes National Park; stalactites and stalagmites; the island of Brač's limestone quarries; a stone masonry school.

Renewable sources of energy to replace fossil fuels and clean up the atmosphere: solar panels, wind turbines, hydropower, algae biofuel.