Swarms of passengers visiting the main sights simultaneously can ruin the experience you've shelled out thousands to 'enjoy'.
22hon MSN
Deep underground, the Nazis built a city for thousands of soldiers. Now it’s a tourist attraction
In our roundup of travel stories this week: the seven-foot “monster” that stalked West Virginia, the Roman tunnel where a hated emperor nearly met his end, and the enormous bunker city built by Nazis ...
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