Well, I realize it's trite, but we could tour the bridges of Madison County.

Related:

• I've always wanted to see Macon, Georgia. -- Nelson's road trip plans,
  "Bart on the...
• Martin: [to his flipping dog] Oh boy, Flipsy! You and I are going on a road trip.
  [Nelson grabs Martin and tosses Flipsy out the window]...
• Hey, who has better vacation ideas than AAA? [reading a guidebook] According to the publisher of this AAA guidebook,
  no one. -- Milhouse's road trip plans, "Bart on the...
• Bart: [handing out envelopes] Gentlemen, for our road trip I have taken the liberty of preparing an airtight and utterly plausible alibi for use on our parents.
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• Martin: Bart, can we stop for ice cream? Bart:
  Yes. [a little later, the boys all have cones]...
• Marge: The national grammar rodeo? I wish I were going.
  Oh, wait, wait; I wish I _was_ going. Is that...
• Milhouse: [yells] Spring breeeak! Yeah! [pause,
  then quiet] Well, when _are_ we going to get rowdy...
• Bart: We got no car! Martin: We got no money! Milhouse:
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• NAVIGATOR-----<Spouse on a trip in the car,
  with road map in her lap...