Alabama — The Arthur R. Outlaw Convention Center in Mobile
Honorable mentions: Frank Lloyd Wright Rosenbaum House in Florence; the Alabama State Capitol in Montgomery
Alaska — The Chief Andrew Isaac Health Center in Fairbanks
Honorable mentions: Sealaska Heritage Institute's Walter Soboleff Center in Juneau; Ketchikan Public Library
Arizona — The Chapel of the Holy Cross in Sedona
"Sedona is just completely filled with beauty," a reader said. "And while I feel there are way too many churches in the US, I do love the Chapel of the Holy Cross."
Honorable mention: San Xavier Mission in Tucson
Arkansas — Mildred B. Cooper Memorial Chapel in Bella Vista
"My cousin got married here in 1995, and it took my breath away," a reader said.
next slide will load in 15 secondsSkip AdSkip AdCalifornia — The Salk Institute in San Diego
Honorable mentions: The Marin County Civic Center in San Rafael; the Bradbury Building, the Los Angeles City Hall, the LA Theater, the Eastern Columbia Building, the Stahl House, the Bonaventure Hotel, and the Hollyhock House in LA; the Gamble House in Pasadena; the Hearst Castle in San Simeon; the Painted Ladies houses and City Hall in San Francisco; and the Pantheon and Bob Hope Estate in Palm Springs.
Colorado — The Air Force Academy chapel in Colorado Springs
Honorable mentions: The Daniels & Fisher Tower, the Brown Palace Hotel and Spa, the Oxford Hotel, East High School, and Union Station in Denver.
Connecticut —The Beinecke Rare Book & Manuscript Library at Yale University
A reader said the building has "amazing translucent walls."
Honorable mentions: The County Courthouse and Union Station in New Haven; Grace Farms and the Philip Johnson Glass House in New Canaan; Goodspeed Opera House in Haddam; and the Mark Twain House and Museum in Hartford.
Delaware — The Grand Opera House in Wilmington
District of Columbia — The National Museum of the American Indian
Honorable mentions: The Riggs Bank Building; the Thomas Jefferson Building; the Library of Congress; the American Art Museum; and the National Portrait Gallery
next slide will load in 15 secondsSkip AdSkip AdFlorida — The Bacardi Complex in Miami
"The office building by Enrique Gutiérrez and the Jewel Box annex by Cabrera-Justiz are the most amazing ensemble," a reader noted.
Honorable mentions: The Salvador Dalí Museum in St. Petersburg; Armature Works Tampa; the Orange County Convention Center in Orlando; the Biltmore Hotel in Miami, Bok Tower Gardens in Lake Wales
Georgia — The Westin Peachtree Plaza in Atlanta
Hawaii — Iolani Palace in Honolulu
Idaho — The Idaho State Capitol in Boise
Illinois — The Bahá'í House of Worship in Wilmette
"Even seeing it from the highway is astounding," a reader said.
Another said, "The combination of the design of the inside and the quiet, contemplative feel there makes it so good for clearing your mind."
Honorable mentions: The UIUC Psychology Building in Champaign; the Tribune Tower, the Joseph Regenstein Library, Aqua Tower, and the Rookery Building in Chicago.
next slide will load in 15 secondsSkip AdSkip AdIndiana — The 1933 Chicago World's Fair Century of Progress Homes in Michigan City
Honorable mention: The Peters-Margedant House in Evansville.
Iowa — The Iowa Capitol Building in Des Moines
Honorable mentions: The World Food Prize Building in Des Moines; the Figge Art Museum in Davenport.
Kansas — The Kansas State Capitol in Topeka
Kentucky — The Historic Courthouse in Lexington
Louisiana — Commander's Palace in New Orleans
Honorable mention: St Louis Cathedral in New Orleans.
next slide will load in 15 secondsSkip AdSkip AdMaine — Portland Head Light in Cape Elizabeth
Maryland — The George Peabody Library in Baltimore
Honorable mentions: Johns Hopkins University's Gilman Hall and the American Brewery in Baltimore.
Massachusetts — Boston Public Library
Honorable mention: The Isabella Stewart Gardner Museum in Boston.
Michigan — The Guardian Building in Detroit
Honorable mentions: Fisher Building in Detroit; Detroit Public Library.
Minnesota — The Guthrie Theater in Minneapolis
Honorable mentions: Landmark Center in St. Paul; Wesley United Methodist Church in Minneapolis.
next slide will load in 15 secondsSkip AdSkip AdMississippi — Longwood in Natchez
Missouri — The Kauffman Center for the Performing Arts in Kansas City
Honorable mentions: The Wainwright building in St. Louis; Country Club Plaza in Kansas City.
Montana — The Montana Club in Helena
Nebraska — The Nebraska State Capitol Building in Lincoln
Nevada — Clark County Government Center in Las Vegas
next slide will load in 15 secondsSkip AdSkip AdNew Hampshire — Mount Washington Hotel in Bretton Woods
"It's a fine example of the classic American mountain resort, and is one of the last remaining grand hotels in the White Mountains," a reader said.
New Jersey — The Krueger-Scott Mansion in Newark
Honorable mention: Hill Center at Rutgers University in Piscataway.
New Mexico — KiMo Theater in Albuquerque
Honorable mentions: Santa Fe Opera Theatre; Volcano Vista High School in Albuquerque; and Spencer Theater for the Performing Arts in Alto.
New York — The Ford Foundation Building in New York City
"A metal and concrete structure with lush vegetation, the Ford Foundation Building exists within the context of New York City home: It's gritty, yet full of vibrancy and life," a reader said.
Honorable mentions: Grand Central Terminal, the Flatiron Building, the Chrysler Building, One World Trade Center, the Oculus, and the Brooklyn Museum in NYC; the SUNY Administration Building and the New York State Capitol in Albany; and the Niagara Mohawk Building in Syracuse .
North Carolina — The JS Dorton Arena
"It's super gritty now and used for roller derby and smaller concerts, which just makes it cooler," one reader said. "Two sunken parabolic arches hold the roof so that it never touches the ground and floats above the interior. All the walls are glass. A big teenage hobby [of mine] was walking up the arches to the top of the arena."
Honorable mentions: The Biltmore Estate in Asheville; the Museum of Natural History in Raleigh; and the Elion-Hitchings Building in Research Triangle Park.
next slide will load in 15 secondsSkip AdSkip AdNorth Dakota — The North Dakota State Capitol in Bismarck
Ohio — The Museum of Contemporary Art in Cleveland
Honorable mentions: Union Terminal in Cincinnati; Heinen's of Downtown Cleveland; the Rock and Roll Hall of Fame and the Tinkham Veale University Center in Cleveland.
Oklahoma — Myriad Botanical Gardens in Oklahoma City
Honorable mentions: The Gold Dome in Oklahoma City; the Price Tower in Bartlesville.
Oregon — Portland Union Station
Honorable mentions: Vista House in Corbett; Pittock Mansion in Portland; and the Timberline Lodge in Government Camp.
Pennsylvania — Cathedral of Learning in Pittsburgh
Honorable mentions: Fallingwater in Mill Run; the Philadelphia Museum of Art in and City Hall in Philadelphia.
next slide will load in 15 secondsSkip AdSkip AdRhode Island — Touro Synagogue in Newport
"Its design is simplistic but beautiful," one reader said.
Honorable mention: The Cranston St Armory in Providence.
South Carolina — The Cistern at the College of Charleston
Honorable mention: The Darla Moore School of Business at the University of South Carolina in Columbia.
South Dakota — St. Anthony of Padua in Hoven
Honorable mention: Sylvan Lake Lodge in Custer State Park.
Tennessee —Customs House in Nashville
Honorable mentions: Hume Fogg High School and the AT&T Building in Nashville.
Texas — The Bank of America Center in Houston
Honorable mentions: Lovett Hall at Rice University and Pennzoil Place in Houston; the Kimbell Art Museum in Fort Worth.
next slide will load in 15 secondsSkip AdSkip AdUtah — The Old Main Building at Utah State University in Logan
Vermont — Williams Hall at the University of Vermont in Burlington
"It joins elegant Romanesque features with gorgeous brickwork," a reader said. "It's a real gem."
Honorable mention: The Old Round Church in Richmond.
Virginia —The Main Street Station and Trainshed in Richmond
It is a "truly amazing building with a proud history and awe-inspiring ceiling," one reader said. "Plus, it was designed for the public, which is cool."
Honorable mentions: Richmond CenterStage in Richmond; Monticello in Charlottesville.
Washington — The Seattle Science Center
"It was built for the 1962 World's Fair and is iconically beautiful," a reader said.
Honorable mentions: The Suzzallo library and the Bullitt Center in Seattle; St Joseph’s Hospital in Tacoma; and the Maryhill Museum of Art in Goldendale.
West Virginia — Palace of Gold in Moundsville
next slide will load in 15 secondsSkip AdSkip AdWisconsin — The Frank Lloyd Wright homes in Milwaukee
Honorable mentions: The Wisconsin State Capitol in Madison; Shadowcliff in Ellison Bay.
Wyoming — Old Faithful Inn at Yellowstone National Park