With activities like dog-sledding on top of aurora viewing, past visitors regularly describe it as a once-in-a-lifetime experience. Located about 220 miles above the Arctic Circle, Tromsø is one ...

hours of memorable aurora viewing. This full-day (14-hour) excursion, also offered by Alaska Wildlife Guide, begins in Fairbanks and crosses the Arctic Circle into Alaska's vast and remote wilderness.

From Tuesday night into Wednesday, the dancing lights may be visible in parts of Idaho, Iowa, Michigan, Montana, South Dakota, Washington, Wisconsin, Wyoming, Maine, New Hampshire, New York and ...