Ke serapa sefe sa boikhathollo seo ho leng thata ka ho fetisisa ho se etela?
Ho thata ho bolela hore na ke serapa sefe sa sechaba se thata ka ho fetisisa ho se etela. Ho na le libaka tse ngata libakeng tse ngata tse akarelletsang Guam, American Samoa, Lihlekehleke tsa Mariana Leboea, Puerto Rico, Lihlekehleke tsa Virgin tsa US le United States ka boeona. Libaka tse ngata tsa boikhathollo tsa sechaba ha li etele batho ba bangata ka lebaka la libaka tsa tsona tse hōle. Alaska e na le libaka tse ngata tsa boikhathollo tseo ho leng thata ho li etela tse akarelletsang: Kobuk Valley National Park, Katmai National Park and Preserve, And Gates of the Arctic. Ka mohlala, Gates of the Arctic National Park ke eona serapa sa boikhathollo se sa eteloeng hakaalo hobane se hōle haholo'me se ka fihleloa feela ka sefofane kapa ka maoto. Ho boetse ho thata ho etela lirapeng tse ling tsa boikhathollo tse kang Isle Royale, Michigan, kapa Dry Tortugas National Park, Florida, kaha li ka fihleloa feela ka sekepe kapa sefofane se tsamaeang ka metsing'me li na le libaka tse thata le mafika a thata.