The Radar: Europe’s Toughest Rail Stations, U.S. Eases Visa Process, Museum of Making Music

• Longest, tallest, busiest, and deepest. These nine rail stations in Europe are some of the toughest to navigate, including the Gare du Nord station in Paris which services around 200 million passengers a year, making it one of the busiest stations in Europe. [SharingTravelExperiences]

• The U.S. Travel Association recently announced a plan to streamline the visa process for Asian tourists. Suggestions include hiring more consular officers, shortening the wait time for an interview, and including more countries in the visa waiver program. [2point6billion]

• There are a few more weeks to check out The Museum of Making Music in Carlsbad, California, before it closes for summer renovations. The hands-on museum encourages its visitors to sing, dance, and play the instruments. [The Washington Post]

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Photo: Constantin Cornel/My Shot