Article: Step over the imaginary dotted line; When travelers head to the Arctic Circle, they encounter frozen tundra, spectacular scenery, and the oil-filled Alaska pipeline.(FEATURES)(TRAVEL)

Byline: Gayle Keck Special to The Christian Science Monitor

ARCTIC CIRCLE -- What makes the allure of an imaginary dotted line so irresistible? I had flown through forest-fire smoke in a tiny prop plane, been jostled along a gravel road on a bus, and battled hordes of relentless mosquitoes - just to step across the Arctic Circle.

My husband and I were on a 12-hour expedition that departed from Fairbanks, 160 miles south of the circle. Aside from bragging rights and mosquito bites, what did we get out of the trip? Spectacular scenery, a chance to explore the fabled Alaskan tundra, and an up-close look at the controversial Trans-Alaska Pipeline System as it ...

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