A modernist staircase of the BGK Building in Gdynia, Poland.

Bart Lumber, CC0, via Wikimedia Commons. View source.

Portrait of a geometric moray (Gymnothorax griseus), Red Sea, Egypt. This moray eel belongs to the family Muraenidae and is found throughout the western Indian Ocean and Red Sea at depths to 40 metres (130 ft). Its length is up to 65 centimetres (26 in).

Diego Delso, CC BY-SA 4.0, via Wikimedia Commons. View source.

Portrait of Billie Holiday and Mister, taken by William Gottlieb at the Downbeat Club, New York, 1947. Today, 110 years ago, she was born in Philadelphia.

William P. Gottlieb, Public domain, via Wikimedia Commons. View source.

View towards Signal Hill at night, Cape Town, Western Cape, South Africa.

Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons. View source.

Male Chocó grasshopper (Opaon varicolor). A wingless short-horned grasshopper endemic to the Andes in Colombia.

Charles J. Sharp, CC BY-SA 4.0, via Wikimedia Commons. View source.

Dome of the Rock on the Temple Mount Jerusalem.

Ralf Roletschek, GFDL 1.2, via Wikimedia Commons. View source.

Landscape of Pitigliano, Tuscany.

Virtual-Pano, CC BY-SA 4.0, via Wikimedia Commons. View source.

Central Berlin (Berlin-Mitte) seen from Fischerinsel.

ArildV, CC BY-SA 4.0, via Wikimedia Commons. View source.

The Pillars of Creation captured by the Hubble Space Telescope. Today marks the 20th anniversary of the first photo taken of this structure.

NASA, ESA, and the Hubble Heritage Team (STScI/AURA), Public domain, via Wikimedia Commons. View source.

"Lantingji Xu" scroll (Shenlong version). Today’s lunar calendar day is the third day of March (Chinese: 三月初三), is the Shangsi Festival, a traditional festival in ancient China. Legend has it that on the Shangsi Festival in 353, Wang Xizhi held an Orchid Pavilion Gathering and wrote the "Lantingji Xu". The original is lost. This Tang Dynasty copy by Feng Chengsu (馮承素) is considered the best of all the extant copies.

Feng Chengsu / Wang Xizhi, Public domain, via Wikimedia Commons. View source.

Jantar Mantar, an astronomical observatory built in the 1730s in Jaipur, Rajasthan, India.

Sudipta Maulik, CC BY-SA 4.0, via Wikimedia Commons. View source.

The main greenhouse of the Botanical Garden of Curitiba, Paraná, Brazil. Today is the city's 332nd anniversary.

Rodrigo.Argenton, CC BY-SA 4.0, via Wikimedia Commons. View source.