Have at it, everyone. Disclosure: used Gemini to inform some of the recommendations, but have heavily edited this to focus on the things that are important to us -- prioritizing authentic culture, outdoor experiences, and local food and drink while avoiding "tourist" traps as much as possible. Hoping to strike a good balance between active and relaxed pace, so please be brutally honest!

Day 0:

• Fly out of Washington Dulles (IAD) to Amsterdam (AMS) in the evening.

Day 1:

• Train to Amsterdam Centraal, Tram to Dam Square. Bag drop at hotel (W Amsterdam).
• Coffee at Café Hoppe, explore Nine Streets / Jordaan.
• Lunch at Café restaurant van Kerkwijk or Buffet van Odette.
• Afternoon break at hotel.
• Provisioning at De Kaaskamer.
• "Those Dam Boat Guys" Canal Cruise (Pre-booked).
• Dinner at Café de Reiger or Lotti’s.

Day 2:

• Van Gogh Museum (Pre-booked).
• Lunch in Museumplein area; explore Spiegelkwartier & Rijksmuseum Gardens.
• Dinner at Restaurant De Kas (Pre-booked).

Day 3:

• Rent e-bikes, ferry to Amsterdam-Noord, cycle Waterland Polder Route.
• Lunch at Café de Karper (Durgerdam) or Café de Ceuvel (Noord).
• Mid-afternoon drinks at Brouwerij 't IJ and/or Brouwerij De Prael.
• Dinner at Moeders or Café restaurant van Kerkwijk.

Day 4:

• Rijksmuseum (Pre-booked).
• Explore De Pijp district & Albert Cuypmarkt.
• Cheese tasting at Fromagerie Abraham Kef.
• Dinner at Café Parlotte (Pre-booked).

Day 5:

• Museum Ons' Lieve Heer op Solder.
• (Note: Might substitute this morning with a half-day trip out to Zandvoort.)
• Lunch & shopping in Jordaan.
• Dinner at MOS Amsterdam (Pre-booked).

Day 6:

• Eurostar train from Amsterdam Centraal to Antwerp Central. Bag drop at hotel (Sapphire House).
• Explore Grote Markt.
• Dinner at Billies Bier Kafétaria (Walk-in).
• Post-dinner drinks at De Vagant, live jazz at De Muze.

Day 7:

• Explore Eilandje District & MAS Museum roof.
• Red Star Line Museum and lunch along marina docks.
• Design & antique shopping on Kloosterstraat, tour Handelsbeurs.
• Dinner at Fine Fleur (Pre-booked).

Day 8:

• Train to Ghent.
• STAM City Museum, Gravensteen Castle, Saint Bavo’s Cathedral & Crypt.
• Lunch at Brasserie Pakhuis.
• Chocolates at Joost Arijs.
• Late afternoon Ghent Canal Cruise (De Bootjes van Gent).
• Train to Antwerp.
• Dinner at Otomat Sourdough Pizza.

Day 9:

• Train to Kalmthout.
• Hiking in Kalmthoutse Heide.
• Lunch at De Vroente Visitor Center Café.
• Train back to Antwerp.
• Dinner at Elfde Gebod.

Day 10:

• Train to Bruges.
• Explore Minnewater, Markt Square, Belfry Tower, and Basilica of the Holy Blood.
• Late afternoon Canal Cruise (Rederij Gruuthuse).
• Dinner at Cambrinus (Pre-booked) or Café Vlissinghe.
• Late train back to Antwerp.

Day 11:

• Late morning walk to Conscienceplein & St. Charles Borromeo.
• Lunch in Antwerp.
• Train to Brussels Central. Bag drop at hotel (Brussels Marriott Grand Place).
• Walk around Grand Place & Delirium Café.
• Dinner: Fin de Siècle.

Day 12:

• Tour Maison Hannon.
• Chocolate tasting at Brigitte.
• Lunch at Kafei.
• Self-guided walk-in tour at Cantillon Brewery.
• Drinks at La Fleur en Papier Doré.
• Final nightcap at L'Archiduc.

Day 13:

• Noon flight home out of Brussels (BRU).