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Just Like Mars Channel: National Geographic Channel Length: 0 Date: June 18, 2009 Deep in New Mexico, an unusual landscape looks eerily reminiscent of Mars, but why?

Volcanic Explosion Channel: National Geographic Channel Length: 0 Date: June 18, 2009 An infathomably large caldera shows the vastness of the largest volcanic explosion on earth, ever.

Scab Land Channel: National Geographic Channel Length: 0 Date: June 18, 2009 A strange geological phenomenon in the western United States reminded early settlers of torn flesh.

Handmade Fireworks Channel: National Geographic Channel Length: 0 Date: June 18, 2009 Zambelli fireworks are made by hand — and not just any hands. Very brave, and skilled hands are required.

Firework Designers Channel: National Geographic Channel Length: 0 Date: June 18, 2009 The Zambelli fireworks team puts on their finest performance for the fine citizens of Baltimore, MD.

Rudder in Trouble Channel: National Geographic Channel Length: 0 Date: June 18, 2009 Getting the rudder off the ship was the easy part — now 50 tons are of metal swinging free, at night, underwater.

Rudder in Trouble Channel: National Geographic Channel Length: 0 Date: June 18, 2009 Getting the rudder off the ship was the easy part — now 50 tons are of metal swinging free, at night, underwater.

Tilting at Windmills Channel: National Geographic Channel Length: 0 Date: June 11, 2009 The wind is blowing. A cable snaps. Sixty-two metric tons of turbine swing freely. Yeah, it’s tough.

Tilting at Windmills Channel: National Geographic Channel Length: 0 Date: June 11, 2009 The wind is blowing. A cable snaps. Sixty-two metric tons of turbine swing freely. Yeah, it’s tough.

Fixing the Pipe Channel: National Geographic Channel Length: 0 Date: June 10, 2009 The best welders in the world are sealing in the new valve in the pipeline — very carefully.

Mighty Explosive Channel: National Geographic Channel Length: 0 Date: June 10, 2009 The oil is safely cut off from the pipe, but the residual gas is extremely dangerous.

Crude Oil Blast Channel: National Geographic Channel Length: 0 Date: June 05, 2009 When the Alaskan oil pipeline springs a leak, it is a major problem so Riley gears up to learn how to fix it.

Satellite Fix Channel: National Geographic Channel Length: 0 Date: June 04, 2009 Ever wondered what it takes to keep the world’s cell phones working?

Vulnerable Venus Channel: National Geographic Channel Length: 0 Date: June 04, 2009 Venus and Earth were created around the same time — so why is Venus barren and Earth thriving?

Flame Drill Channel: National Geographic Channel Length: 0 Date: June 04, 2009 Innovative technology may bring geothermal energy to the forefront of green alternatives.

Hot Planet Channel: National Geographic Channel Length: 0 Date: June 04, 2009 A network of power plants in northern California uses the Earth’s heat to generate electricity.

Behind the Barge Channel: National Geographic Channel Length: 0 Date: June 04, 2009 Behind-the-Scenes: Riley and the crew take on the mighty — and mighty muddy -- Mississippi River.

Life on Venus Channel: National Geographic Channel Length: 0 Date: June 01, 2009 Considered a hostile locale for life, Venus has recently revealed secrets that could change everything.

Dredging the Mississippi Channel: National Geographic Channel Length: 0 Date: May 22, 2009 Riley joins the crew of The Hurley as it sucks mud from the middle of the river and spews it along the sides.

300 Ton Crusher Channel: National Geographic Channel Length: 0 Date: May 22, 2009 While trying to get a beached barge back in the water, a support busts and sets 300 tons of metal in motion.

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