Outside of Chicago, no American city offers a more stunning collection of architecture than Detroit. Beaux-Arts, art deco and Roman baroque are a start.

Milwaukee’s Oriental Theatre, a masterpiece designed by Gustave Dick and Alex Bauer, harkens back to a time when movies were not viewed in theaters, but in palaces.

The fine architectural details, amazing cultural facilities in midtown and exquisite buildings downtown can all anchor Detroit if the city can mend its finances and attract investment–and score a lot of TLC.

While Brasília is his best known work, other buildings Oscar Niemeyer has designed stand tall around the world. Happy 104th birthday to a global treasure!

Michigan Central Station (MCS, or Michigan Central Depot) stands tall as a monument to the time when Detroit was one of America’s most important economic centers. Could it make a comeback?

With 75 percent of Serbia’s buildings built before 1980, a lot of work on retrofits and energy efficiency remains to be done. Ecoist is pushing Serbia in that direction.

Jorge Selarón is a Chilean artist who has lived near downtown Rio for years. Between the neighborhoods of Santa Teresa and Lapa, over 250 steps that were once unkempt and dilapidated became his life work.

Avon’s CSR report, released earlier this week, touts a bevy of achievements and promises to address issues including deforestation, governance and philanthropy.

Rio de Janeiro’s sidewalks of mosaic pavement make travel to this corner of Brazil a more intimate experience. Feel chic as you walk along these masterpieces of Portuguese pavement.

A proud symbol of Uruguay’s economic strength in the early 20th century, the Palacio Salvo, with its art deco details, still towers proudly over Montevideo.