Take a tour or get tons of helpful information! We used the forum a TON for the little planning we did have to do. https://www.ricksteves.com/
Rick Steves’ Audio Tours. There’s a bunch of interesting audio on here that you don’t need to be traveling to appreciate too! https://www.ricksteves.com/watch-read-listen/audio/audio-europe
My awesome Osprey backpack: https://www.osprey.com/us/en/product/fairview-travel-pack-carry-on-40-FAIRVEW40.html
Paris Metro App: Next Stop Paris http://www.ratp.fr/en/apps/next-stop-paris
Seine River Cruise https://www.vedettesdupontneuf.com/home/
Life Is Short, Just Do It 