The Iberian rail network doesn't join up the way the map suggests, and crossing between the two countries takes planning the guidebooks skip.
Three Portugal road trip routes — the northern mountains, the central coast, and the southern Algarve — with driving times, tolls, and where to stop.
A 10-day Portugal route that covers Lisbon, the Alentejo, the Algarve, and Porto — with driving times, parking tips, and where to stop between cities.
A complete Portugal road trip itinerary — 7 days from Porto through the Douro Valley to Lisbon and the Algarve, with driving times, tolls, and parking.