ICYMI: The Guggenheim Helsinki Design Competition revealed its final proposals, the San Diego Chargers and Oakland Raiders football teams unveiled the latest batch of renderings for a proposed stadium, and the Van Alen Institute takes a critical look at design competitions.

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Four of the seven UNESCO World Heritage sites in and around Katmandu, Nepal, were flattened this weekend during a 7.8-magnitude earthquake that killed thousands and injured many more. [The New York Times]

Renzo Piano Building Workshop collaborated on a handbag design with MaxMara inspired by the new Whitney Museum of American Art. [MaxMara] Vanessa Friedman wonders if it's becoming a trend. [The New York Times]

A light show at the Empire State Building on Friday will feature works from the Whitney Museum of American Art collection. [The New York Times]

Charlottesville, Va.–based William McDonough and Itasca, Il.–based Heitman Architects designed a new Pullman factory for Method, which, according to critic Blair Kamin, "despite its architectural shortcomings, appears to have a bright future." [Chicago Tribune]

The tallest house in the U.S. is up for sale. [Phoenix Business Journal]

Dallas-based architect Larry Paschall offers tips from his own home's renovation. [The Dallas Morning News]

Awards: Enter Now!

DEADLINES EXTENDED: ARCHITECT's R+D Awards recognize innovative building research, materials, and technologies at every scale. You may have missed the regular due date, but you can still apply by April 29 for the late deadline (additional fee applies).

Marvin Windows and Doors are seeking designs that utilize the company’s products for for its seventh annual Architects Challenge. Submissions are due May 1.

The 2015 World Architecture Festival Awards is accepting entries through May 22.

The American Society of Landscape Architects is accepting submissions for its 2015 Awards. Student entries are due by May 2.

The Portland chapter of the AIA is accepting entries for Stitch II, a competition challenging students and emerging designers to propose ideas for re-purposing space under a bridge on Interstate 405. Proposals are due June 1.

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