Halloween TaxiA man wrapped in gauze as part of a costume sits in the back of a taxi on Halloween in New York City. The festive image was previously published in a digital story in October 2014.Photograph by Jodi Cobb, Nat Geo Image Collection

Spooky SeasonA street is decorated with witches, skeletons, and jack-o'-lanterns for Halloween in Blackpool, England. The previously unpublished image shows the city's tradition of elaborate seasonal decorations dating back to 1912.Photograph by Tomasz Tomaszewski, Nat Geo Image Collection

Mask OffChildren dance in giant mask-like costumes in Japan. The previously unpublished image was taken on one of Eliza R. Scidmore's many trips to Japan as the first woman to sit on the board of trustees of the National Geographic Society.Photograph by Eliza R. Scidmore, Nat Geo Image Collection

Strange ShelterA Decken's sifaka lemur sits among the limestone towers in Madagascar's Grand Tsingy. The image was taken for a story in the November 2009 issue about the labyrinth of stone.Photograph by Stephen Alvarez, Nat Geo Image Collection

Adirondack HighYellow plants grow near a rocky stream in New York's Adirondack Mountains. The image was taken on assignment for a story in the June 1998 issue highlighting the beauty of the large state park.Photograph by Maria Stenzel, Nat Geo Image Collection

White AntsA woman sits on top of a large white anthill, some of which can rise up to 40 feet high, near Elizabethville in the former Belgian Congo. The image was taken for a story in the October 1922 issue about a navy operation in Africa during World War I.Photograph by Frank J. Magee, Nat Geo Image Collection