Spring has sprung, and it's time to start penciling must-attend events into your calendars. Here's a selection of lectures, exhibitions, trade shows, and other industry happenings over the next few months:

Air, Great Hall of the National Academy of Sciences, 1924; Washington, D.C. Design by Hildreth Meière. Architect: Bertram G. Goodhue; Akoustolith tile: R. Guastavino Company; Gesso and Gilding: Mack, Jenny and Tyler.
Credit: Photograph ©2009, Hildreth Meière Dunn Air, Great Hall of the National Academy of Sciences, 1924; Washington, D.C. Design by Hildreth Meière. Architect: Bertram G. Goodhue; Akoustolith tile: R. Guastavino Company; Gesso and Gilding: Mack, Jenny and Tyler.
  • Now Open, Washington, D.C.—Exhibition: Walls Speak—The Narrative Art of Hildreth Meière. The first major retrospective on 20th-century Art Deco muralist, mosaicist, painter, and decorative artist Hildreth Meière, who worked with leading architects around the U.S., this exhibition opened recently at the National Building Museum and runs through Nov. 27, 2011. Multiple works executed by Meière are on display, including sketches, studies in gouache, full-color cartoons, as well as a variety of models, mosaics, and painted altarpieces. Associated lectures will be held April 5 and April 30. Visit www.nbm.org for exhibit details and museum hours.
  • April 8 – May 8, Washington, D.C.—2011 DC Design House tours. Benefiting the Children's National Medical Center, the fourth annual DC Design House enlisted the efforts of 21 local designers and architects to enhance the spaces inside and outside of a 1925 English Tudor house in Northwest Washington, D.C., first owned by Charles Woodward of Woodward & Lothrop department stores. After a preview party on April 8 (tickets: $125), the house will be open for public viewing (tickets: $20) Tuesdays through Sundays through May 8. Visit www.dcdesignhouse.com for hours and information on designers, each of whom designed a specific room or space.
  • April 14 – 17, San Diego—AIAS Spring West Quad Conference. This year's American Institute of Architecture Students West Quad Conference will be hosted by San Diego's NewSchool of Architecture and Design. Themed "Architecture in the Networked City," the conference offers professionals and student leaders a forum for exploring the potential for new technologies to inform a new definition of the urban paradigm. All conference events will be held on the NSAD campus. Registration is required; deadline to register is April 10. Visit www.newschoolwestquad.com.
  • April 14 and 18, Brooklyn and Manhattan, N.Y.—Pratt Institute School of Architecture Spring 2011 Lecture Series ending. This annual series of free lectures, open to the public, will wrap up with sessions on April 14 and April 18 at Pratt's Manhattan and Brooklyn campuses.
    • April 14, 6:30 p.m., Manhattan: "Development as a Contact Sport," Robert Sanna, executive vice president/director, Forest City Ratner Companies.
    • April 14, 6 p.m., Brooklyn: Structural engineer Guy Nordensen, professor at Princeton University, will speak.
    • April 18, 12:30 p.m., Brooklyn: "Design of the Pueblo Nature Center at Machu Picchu," Jose Koechlin, CEO, and Denise Koechlin, Inkaterra.
    • April 18, 6 p.m., Brooklyn: Architect Paulo Portoghesi in conversation with Pratt professor of architecture Catherine Ingraham.
  • April 20, 6:30 p.m. – 8 p.m., New York. Architect Edward Mazria at The Cooper Union. As part of the AIA New York chapter's new educational program on the 2030 Commitment, Architecture 2030 founder and CEO Edward Mazria, AIA, will present "Architecture: On the Brink." The presentation is free for AIA members and Cooper Union students with pre-registration and member identification at the door; $5 for other students and $15 for all others. Click here for more details and to register or purchase tickets.
  • Closing April 21, Washington, D.C.—Exhibition: Neighborhoods Go Green! Scaling Up Sustainability. On display now at the Washington, D.C., headquarters of the AIA, this exhibit uses LEED for Neighborhood Development as a framework to explore the key elements of a sustainable community and is co-curated by the USGBC, the Chicago Architecture Foundation, and Farr Associates. After its stint at AIA national headquarters, the exhibit will tour the country; future locations and dates have not yet been announced. Visit www.usgbc.org/ngg for more details on the exhibit.
  • Closing April 29, Seattle—Exhibition: Adapting Suburbs in the Twenty First Century. The AIA Seattle chapter presents this exhibition featuring select case studies of projects that represent suburban retrofitting, on display now and open to the public at the AIA Seattle Design Gallery. The exhibition originally opened at the Congress for New Urbanism Conference in Atlanta. Exhibition hours are Tuesday through Friday, 10 a.m. – 5 p.m.
  • May 21, Oak Park, Ill.—Wright Plus 2011. The Frank Lloyd Wright Preservation Trust's annual housewalk tour of Chicago's Oak Park neighborhood features the largest collection of residences designed by Frank Lloyd Wright. Eight houses (three designed by Wright and three designed by E.E. Roberts) along with three Wright-designed public buildings are included on the tour, with in-depth interpretations of each provided. The Preservation Trust also offers several other tours May 19 – May 22 as part of the Ultimate Plus Weekend. For details and tour tickets, visit www.gowright.org.
  • Closing May 30, New York—Exhibition: Building Collections: Recent Acquisitions of Architecture. On display now at New York's Museum of Modern Art (MoMA): an exhibition of models and drawings acquired by its Department of Architecture and Design since 2005. Works date from 1890 to the present and represent a broad array of practitioners, organized around several themes, including ornament and abstraction, Latin American modernism, and the role of process since the digital revolution. Visit www.moma.org for more details.