Template:Potd/2025-12

English : Narrow-banded dartwhite (Catasticta flisa postaurea) on Mimosa pudica, Villa Gerar, Silvania, Cundinamarca, Colombia

English : Fortified city of Carcassonne during the blue hour, France. Founded during the Gallo-Roman period, the citadel derives its reputation from its 3 kilometres (1.9 mi) long double surrounding walls interspersed by 52 towers. The medieval citadel, situated on a hill on the right bank of the river Aude, was restored at the end of the 19th century by the theorist and architect Eugène Viollet-le-Duc. In 1997, it was added to the UNESCO list of World Heritage Sites because of its exceptional testimony to the architecture and planning of a medieval fortress town.

English : Wild Alpine ibex (Capra ibex) at Creux du Van with the Swiss Alps in the background during sunset.

English : Self-portrait by Anna Bilińska, 1887

English : Milky way seen over the Hochkalter Massif and Lake Hintersee in the German region of Berchtesgadener Land.

English : St. Nicholas the Wonderworker Church (1766) was relocated from the village of Glotovo, Vologda Oblast to the Museum of Wooden Architecture at the Kremlin in Suzdal, Russia. Today is Saint Nicholas Day in much of Eastern and Western Christianity.

English : Salt crystals in the crystallization basin in the museum “Las Salinas del Carmen”, Antigua, Fuerteventura, Spain

English : Window in the west facade of the Lutheran Fishermen's Church in Born auf dem Darß, Germany

English : Val Sinestra. Candlestick fungus (Xylaria hypoxylon) on an erosion field

English : Template:Potd/2025-12-10 (en)

English : Mountaineers descending into Chola Valley, 5,200 metres (17,100 ft) a. s. l., in good weather conditions, with a panoramic view over snow-capped Himalayan peaks to the south of the Great Himalayan Range in Mahalangur Himal, Nepal, Himalayas. Today is International Mountain Day.

English : Wild red-chested cuckoo (Cuculus solitarius) at Kibale Forest National Park, Uganda

English : Template:Potd/2025-12-13 (en)

English : WAB BDhe 4/4 railcar no. 115 with a Bt control car headed down from Kleine Scheidegg to Wengernalp, Switzerland.

English : A 2-weeks old baby hamster with red eyes. Today is voice actress Haruna Ikezawa's birthday. She voiced Laruna Haruna, the owner of the titular hamster, in the 2000 anime adaption of Hamtaro

English : Short-nosed unicornfish (Naso brevirostris), Red Sea, Egypt. This species has a maximum published total length of 60 centimetres (24 in). It occurs in the Indian and western Pacific Oceans. Adults feed mainly on gelatinous zooplankton, while juveniles mainly feed on benthic algae. The switch from grazing to preying on gelatinous zooplankton coincides with the development of the bony protuberance.

English : Soaked in rain Cyclamen coum sown between the roots of an Alder (Alnus) Focus stack of 10 photos.

English : Template:Potd/2025-12-18 (en)

English : Crystallization basins in the museum “Las Salinas del Carmen”, Antigua, Fuerteventura, Spain

English : Template:Potd/2025-12-20 (en)

English : Template:Potd/2025-12-21 (en)

English : Snow on Ayase river by Shōtei Takahashi. 1915 woodcut print from the Rijksmuseum collection.

English : JŽ 06-018 steam locomotive gear, museum steam locomotive, Central station Ljubljana, Slovenia

English : Poznań Town Hall with Christmas decorations.

English : A 1928 advertisement featuring Santa holding a sack of Sunkist lemons.

English : Template:Potd/2025-12-26 (en)

English : Muskox (Ovibos moschatus) male, Dovrefjell National Park, Norway

English : The Last of England by Ford Madox Brown

English : Pirogue running on the Mekong in front of an island hosting a Samanea saman (rain tree) and other trees, at sunset with pink clouds, seen from Don Det, Si Phan Don, Laos.

English : Template:Potd/2025-12-30 (en)

English : Template:Potd/2025-12-31 (en)