Here is a short list with recommendations from the organizer:
Rijksmuseum - The Louvre of Amsterdam.
Amsterdam Museum - Abeautiful collection showcasing Amsterdam's past.
Escape Room "Sherlocked" - Fun escape room next to the Dam.
Van Gogh Museum - Van Gogh's story in his art.
Palace on Dam Square - Beautiful building previously taken over by Napolean II.
Canal Tour - There are numerous canal trip operators. If the weather allows, consider taking an "open air" tour.
Explore Amsterdam - Renting bikes and riding is the best way of exploring the city and a favorite activity of the locals.