The "Gherkin," "Walkie-Talkie," and, across the river, The Shard, plus other City of London skyscrapers rise above a fog bank slowly encroaching over the capital's financial district.
Madrid's historic Puerta del Sol, a public square set in the heart of the city, takes on an unworldly veneer after fog descends over the Spanish capital.
The crowns of the world's tallest twin skyscrapers, the 451-m (1,483 feet) Petronas Towers, appear as if ignited by fog as bad weather rolls into the Malaysian city.
Seattle's celebrated Space Needle peaks above the fog line during a spectacular sunset. Fog often glides in from the Puget Sound and can sometimes obscure the city for days on end.
Frankfurt's late-medieval Eschenheimer Turm, part of the city's 15th-century fortifications, stands illuminated in front of the city's high-rise PalaisQuartier, this as the whole district is cloaked in fog.
When fog greets the entertainment capital of the world, those admiring the view from Laurel Canyon are treated to one of Mother Nature's most spectacular shows.
