- check wikivoyage.org (not wikitravel which is a commercial spin-off). Especially the "getting there" and "getting around" sections. Useful is a place has mult

- check wikivoyage.org (not wikitravel which is a commercial spin-off). Especially the "getting there" and "getting around" sections. Useful is a place has multiple airports. wikivoyage also has best info on getting from airport to inner-city and its costs, sometimes better than the airport's website. - check climate diagram (average monthly temperatures at day/night) to guess what clothes to pack - check Ministry of Foreign Affairs (in the US I guess that's the State Department). In my country they publish lists, one per country on visa requirement and current affairs, e.g. security incidence, lately also COVID-19 requirements and restrictions - seatguru.com open while booking a flight. To avoid sitting next to the toilet - https://www.avuxi.com/topplace/location-page https://www.avuxi.com/topplace/location-page to figure where the shopping and night-life areas of a city are on a heatmap. https://www.google.com/travel/hotelsmap https://www.google.com/travel/hotelsmap has similar map layers one can switch on - Before the actual trip I check just about everything: pricing of public transport, location of ATM in the airport arrival area, where to best exchange money, scams and areas to avoid When I travel with a bicycle the planning gets even more complex