Photo of the Day: The U.S. Embassy in Sana'a, the capital of Yemen, is closing due to security concerns. [National Journal]

U.S. Department of State, Office of the Historian

ICYMI: The seventh annual Times Square Valentine Heart opens; "Icons of Knowledge: Architecture and Symbolism in National Libraries" is currently at the Harvard University Graduate School of Design; and Brian MacKay-Lyons, Hon. FAIA, won this year's Gold Medal from the the Royal Architectural Institute of Canada.

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Eight More Stories for Wednesday:

The European Commission and the Fundació Mies van der Rohe announced the 40 shortlisted projects that will compete for the 2015 European Union Prize for Contemporary Architecture – Mies van der Rohe Award.

An elevator shaft survived an attempted demo of the Clarion Hotel in Las Vegas. [Al Jazeera America]

Architectural photographs from "Building Images," at London's Sto Werkstatt Museum. [Wired]

Critic Oliver Wainwright reviews the "Mackintosh Architecture" exhibition at the Royal Institute of British Architects. [The Guardian]

A design concept for housing on wind turbines. [CityLab]

Nearly 3,000 apartments will join Chicago's downtown rental marketplace in 2015. It may be a record for now, but 5,000 apartments are expected in 2016. [Chicago Tribune]

The Freer Gallery of Art in Washington, D.C., will close next January for renovations. [The New York Times]

Hilton Worldwide Holdings completed the $1.95 billion sale of New York's Waldorf Astoria. The company will use the proceeds of the sale to buy five hotels in Florida and San Francisco. [The Wall Street Journal]

Step Up, Step Down:

Simpson Gumpertz & Heger senior principal Ronald Hamburger will be inducted into the National Academy of Engineering. [Simpson Gumpertz & Heger]

Awards: Enter Now!

The Residential Architect Design Awards (RADA) recognize outstanding work in advancing residential design. The standard entry deadline is Feb. 20.

The 2015 Washington Unbuilt Awards Program recognizes unbuilt theoretical and commissioned projects. Submissions are due Feb. 23.

The Design Talks Institute recognizes alternative ideas for reframing how underutilized spaces can be used in urban environments in its Lost Spaces 2015 competition. Submissions are due March 30.

The Radical Innovation Awards recognize innovative ideas that impact the hospitality industry. Contestants may submit their next big hotel concept until March 31.

Robert A.M. Stern Architects is hosting its third annual RAMSA Travel Fellowship, a $10,000 prize for the purpose of travel and research. Proposal submissions are due April 10.

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