徒步小径. 在雨天的清晨，沿着考尔斯沼泽步道欣赏印第安纳沙丘国家公园的秋季景色。美国印第安纳州

Bailey Farm

洞穴冰

坡特洞穴瀑布之下

红喉蜂鸟 &x28;Archilochus colubris&x29

红宝石红喉刺莺的蜂鸟Archilochus Colubris

沙子、钢铁厂和湖岸

纽扣灌木 50054

N-1 Berkshire 1223蒸汽机车在密歇根州格兰德港的古董列车

沙丘上草丛中的小路

小灌木丛前红叶与黄色植物

岩石海滩上的小石堆

西滩沙丘演替步道，印第安纳沙丘国家公园夏季湖岸

西滩沙丘演替步道，印第安纳沙丘国家公园夏季湖岸

松树小径，铺满松针

徒步小径

徒步小径

徒步小径

远足径

徒步小径

徒步小径

远足径

远足径

徒步小径

徒步小径

远足径

远足径

远足径

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