North America

  • United States of America
  • Mexico
  • Canada
  • Nicaragua
  • Bahamas
  • Dominica
  • Belize

South America

  • Ecuador
  • Galapagos
  • Chile
  • Brazil

Europe

  • Spain (and Mallorca)
  • France (and Corsica)
  • Italy
  • Switzerland
  • Germany
  • England
  • Scotland
  • Ireland (and Northern Ireland)
  • Greece
  • Netherlands
  • Belgium

Asia

  • Russia
  • China
  • Japan
  • India
  • Nepal
  • Thailand
  • Laos
  • Vietnam
  • Cambodia
  • Indonesia
  • Singapore

Oceania

  • New Zealand
  • Australia (and Tasmania)

Africa

  • Tanzania

Mark's Top 10

Wonderland Trail
Running with the Bulls
Moscow
Trans-Siberian Railway