itinerary: link Silicon Valley stops

Claude-Session: https://claude.ai/code/session_01SQPbfX7jyTALGYxJw36hbT

days/2026-09-20.md

@@ -13,9 +13,9 @@
 > Menu: [`sf_sights.md`](../sf_sights.md). Items below are agreed; everything else is still on the menu.
 
 - **~1:30 PM** Leave SFO, I-280 south to Cupertino (~30 min)
-- **2:00 PM** Apple Park Visitor Center — rooftop terrace over the ring, AR model, store. ~45 min. Sun 11 AM–6 PM
-- **3:00 PM** Google Visitor Experience, Mountain View (15 min north) — store, café, Android statues. ~30 min. Sun 10 AM–5 PM
-- **3:45 PM** Computer History Museum — 1 mile down Shoreline Blvd. Highlights pass, closes **5 PM sharp**. Sun 10 AM–5 PM, closed Mon/Tue
+- **2:00 PM** [Apple Park Visitor Center](https://www.apple.com/retail/appleparkvisitorcenter/) ([map](https://www.google.com/maps/search/Apple+Park+Visitor+Center+Cupertino)) — rooftop terrace over the ring, AR model, store. ~45 min. Sun 11 AM–6 PM
+- **3:00 PM** [Google Visitor Experience](https://visit.withgoogle.com/plan-your-visit/) ([map](https://www.google.com/maps/search/Google+Visitor+Experience+Mountain+View)), Mountain View (15 min north) — store, café, Android statues. ~30 min. Sun 10 AM–5 PM
+- **3:45 PM** [Computer History Museum](https://computerhistory.org/hours-admission/) ([map](https://www.google.com/maps/search/Computer+History+Museum+Mountain+View)) — 1 mile down Shoreline Blvd. Highlights pass, closes **5 PM sharp**. Sun 10 AM–5 PM, closed Mon/Tue
 - **5:00 PM** I-280 north to the Golden Gate Bridge (~50 min)
 - **~5:50 PM** Golden Gate Bridge, SF side — Welcome Center lot, short walk out on the deck. Sidewalk open till 8:30 PM
 - **~6:20 PM** Cross to Marin → Battery Spencer. Navigate to the [parking lot](https://maps.app.goo.gl/EyUVPs1X9CACtqMa9), 3-min walk up. Small lot, Sunday is busy — if full: shoulder parking up Conzelman Rd, or Hawk Hill 5 min further