Wikinet

Follow the first link on Wikipedia till you reach philosophy.

$ ./wikinet
  0: /wiki/Special:Random            
  1: /wiki/Canadians                  (Canadian)
  2: /wiki/Canada                     (Canada)
  3: /wiki/North_America              (North America)
  4: /wiki/Continent                  (continent)
  5: /wiki/Landmass                   (landmasses)
  6: /wiki/Region                     (region)
  7: /wiki/Geography                  (geography)
  8: /wiki/Science                    (science)
  9: /wiki/Scientific_method          (builds)
 10: /wiki/Empirical_evidence         (empirical)
 11: /wiki/Proposition                (proposition)
 12: /wiki/Logic                      (logic)
 13: /wiki/Truth                      (truth)
 14: /wiki/Fact                       (fact)
 15: /wiki/Experience                 (experience)
 16: /wiki/Consciousness              (conscious)
 17: /wiki/Sentience                  (sentience)
 18: /wiki/Emotion                    (feelings)
 19: /wiki/Mental_state               (psychological states)
 20: /wiki/Mind                       (mind)
 21: /wiki/Will_(philosophy)          (will)
 22: /wiki/Philosophy                 (philosophy)
END