Fodor's travel guide's 2026 list of places to rethink visiting due to overtourism includes Antarctica and Mexico City.
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Camping in Antarctica: Extreme Polar Adventure

Plunging in -1 degrees celsius water, sleeping on ice and celebrating Nick's birthday on Deception island... our Polar ...
Travel to the end of the earth—as Ushuaia, Argentina, is called. Then travel beyond it, to the islands, coves and research ...