Traveling to Europe Soon.. Regretting Itinerary Background, 22M, USA based, $5000 budget first-time solo traveling this fall from Sept 19-Oct 19. Impulsively got a round trip to Europe landing in Lisbon Sept 20th, flying out of Athens, Greece Oct 19th. Originally I had planned a crazy itinerary, hitting Lisbon, Madrid, Barcelona, Paris, London, Scotland, Dublin, Amsterdam, Berlin, Switzerlan…