Boston: After opening the Art of the Americas wing by Foster & Partners, the Museum of Fine Arts (MFA), Boston, continues its renovation with seven galleries devoted to contemporary art in the Linde Family Wing. First show: wood sculptures by Ellsworth Kelly on September 18. 465 Huntington Ave..

Montreal: Music director Kent Nagano leads the Montreal Symphony Orchestra in Beethoven’s Ninth Symphony to inaugurate the concert hall (Sept. 7), designed by Toronto architects Diamond & Schmitt. Rufus Wainwright joins the orchestra in a program featuring his own songs (Oct. 5). 1600 Rue St.-Urbain.

Reykjavĺk, Iceland: Set along the city’s shoreline, Harpa (pictured), the new complex that houses the Iceland Symphony Orchestra and the Icelandic Opera, has a color-studded glass façade by Danish-Icelandic artist Olafur Eliasson. Programs range from Mozart’s The Magic Flute (Oct. 22–Nov. 25) to Elvis Costello in concert (Nov. 21). 2 Austurbakki.

Helsinki, Finland: Finland has produced many of today’s great musicians, and with the Helsinki Music Center, a benchmark of contemporary Scandinavian design, the city at last has a concert hall worthy of its orchestra. 13A Mannerheimintie.

Antwerp, Belgium: From its rooftop, the new Museum aan de Stroom (MAS) offers a 360-degree panorama of Antwerp; inside, see collections of African art and artifacts. 1 Hanzestedenplaats.

Paris: The Musée d’Orsay celebrates its 25th anniversary with renovated galleries housing its collections of Impressionist and Post-Impressionist art, and a redo of the Café de l’Horloge by the Brazilian duo the Campana Brothers. Opening October 20.

Moscow: On October 28, the curtain will go up on the historic Bolshoi Theater, every inch spectacularly restored. Glinka’s Ruslan and Lyudmila (Nov. 2) and Tchaikovksy’s Sleeping Beauty ballet (Nov. 18) are standouts. 1 Teatralnaya Ploshchad.

Muscat, Oman: Sultan Qaboos bin Said commissioned the Royal Opera House, only the third purpose-built opera theater in the Middle East. The star-filled season begins October 12 and showcases American Ballet Theatre, Teatro alla Scala, and cellist Yo-Yo Ma. Bareeq al Shatti.

Tel Aviv: The Herta and Paul Amir Building, designed by Preston Scott Cohen, at the Tel Aviv Museum of Art has five levels of galleries suffused with light from a central atrium. A site-specific installation of works by Anselm Kiefer inaugurates the wing on November 2.

Additional reporting by Tomás Martín