Google Places API
Information about 100 million places
Information such as capital, currency and population per country
Time zone information based on the location
Crowdsourced database with details about the cost of living, perceived safety and other topics for cities and countries worldwide
Well, pretty obvious, right? Free tier!
Sunset and sunrise times API
Sunrise and sunset times – plain, simple and free
Access more than 50.000 outdoor webcams
Provides access to a large collection of city and museum multimedia guides
RoadGoats Cities API provides content about towns, cities, regions, and countries (neighbourhoods coming soon). Content includes hand-picked high-quality photos, known-for tags (such as foodie or LGBT-friendly), editorial descriptions, Covid stats, safety rating, budgetary rating, and more.