1. Berlin, Germany
Move over New York City, Berlin is the city that truly never sleeps; a city full of Germans who love nothing more than a good time. This is a great city to visit before having kids, as it is full of iconic sites, sky bars, chic restaurants, boutique hotels and a party that literally never stops. It is here where you can take in top international performers at theaters or concert and opera stages. Berlin is a city full of museums, artists and a colorful history, where modern architecture and historical buildings meet. There is an endless amount of shopping, parks to explore, open-air cinemas, beach bars, forests and more here. The relaxed vibe of this city will enthrall you, suck you in and make you never want to leave. Don’t say we didn’t warn you.