▁horse ▁and ▁cam el ▁through ▁Si ber ian ▁dry lands , ▁Mong ol ian ▁ste ppe ▁( The ▁Edge ▁of ▁Blue ▁Heaven ). ▁In ▁the ▁M ato ▁Gros so ▁he ▁investig ated ▁the ▁Kal ap alo ▁Indians ’ ▁story ▁of ▁the ▁disapp earance ▁of ▁Colonel ▁F aw c ett ▁( The ▁B ones ▁of ▁Colonel ▁F aw c ett ). ▁He ▁attempted ▁to ▁cross ▁the ▁Ber ing ▁Stra its . ▁He ▁travel led ▁with ▁dogs ▁ 2 5 0 0 ▁miles ▁through ▁Ch uk chi ▁and ▁In uit ▁pe op les ▁and ▁beyond ▁( I ce ▁D ogs ). ▁He ▁visited ▁spiritual ▁he al ers ▁including ▁V ood oo ▁w itch do ctors ▁in ▁H ait i , ▁the ▁M ent aw ai ▁in ▁Indones ia , ▁the ▁Hu ich ol ▁of ▁Mexico ▁and ▁sh am ans ▁in ▁Si ber ia ▁( Last ▁of ▁the ▁Medicine ▁Men ). ▁ ▁On ▁television ▁Allen ▁joined ▁Frank ▁Gard ner ▁in ▁the ▁BBC ▁Two ▁two - part ▁document ary ▁Bird s ▁of ▁Parad ise : ▁The ▁Ult imate ▁Qu est . ▁They ▁sought ▁the ▁el us ive ▁birds - of - par ad ise ▁in ▁Pap ua ▁New ▁Guinea ▁including ▁the ▁King ▁of ▁Sax ony . ▁It ▁was ▁broadcast ▁on ▁ 3 ▁February ▁and ▁ 1 0 ▁February ▁ 2 0 1 7 . ▁ ▁Books ▁ ▁As ▁author ▁ ▁Mad ▁White ▁Gi ant ▁( 1 9 8 5 , ▁published ▁in ▁America ▁as ▁Who ▁Go es ▁Out ▁in ▁the ▁M idd ay ▁Sun ?) ▁ ▁In