Region
Europe

Europe rewards travelers who like variety packed into short distances. You can eat pastries in a Parisian café, take a three-hour train to Amsterdam for canal-side bike rides, then continue to Berlin for nightlife and Cold War history. Trains connect most major cities efficiently—Eurail passes or point-to-point tickets on high-speed lines like the TGV or ICE make car rentals unnecessary in many regions.
The continent spans climates and cultures dramatically: Nordic fjords and long summer daylight in Norway, sun-baked coastlines in Greece and Croatia, mountain villages in Switzerland and Austria, medieval towns in the Czech Republic and Poland. Food varies as much as geography—tapas in Spain, pierogi in Poland, gelato in Italy, currywurst in Germany.
Costs vary widely too. Scandinavia and Switzerland are expensive; Portugal, Poland, and much of Eastern Europe stretch a budget further. Shoulder seasons (April-May, September-October) mean fewer crowds and lower prices than peak summer, especially at sites like the Colosseum or Sagrada Familia.
Language barriers are usually minor—English is widely spoken in tourist areas, though a few local phrases help. The Schengen Area lets many nationalities move between 27 countries without separate visas or border checks, simplifying multi-country itineraries considerably.