Summer is almost over and there's a handful of exhibits and seasonal pop-ups closing after Labor Day. Here's what you should make time to see this weekend as we move into September.

Blue Cross RiverRink Summerfest

Philly's only outdoor roller-skating rink is closing after Labor Day weekend. Not only can you skate to upbeat pop tunes here, but there are also plenty of arcade games, a Ferris wheel, mini golf and plenty of concessions from Chickie's and Pete's and Franklin Fountain.

1 p.m. to 1 a.m. Friday, 11 to 1 a.m. Saturday, 11 a.m. to 11 p.m. Sunday, 1 to 11 p.m. Monday, 101 S. Christopher Columbus Blvd., admission to the park is free and attractions are pay-as-you-go, 215-925-7465, delawareriverwaterfront.com

Modern Times: American Art 1910 – 1950 at the Philadelphia Museum of Art

The Philadelphia Museum of Art's 20th century-centric exhibition, which captures turmoil and desperation, includes work by Georgia O'Keeffe, Marsden Hartley, Jacob Lawrence, George Bellows, Florine Stettheimer, and more. Sunday is pay-what-you-wish admission.

10 a.m. to 8:45 p.m. Friday, 10 a.m. to 5 p.m. Saturday, 10 a.m. to 5 p.m. Sunday, closed Monday, 2600 Benjamin Franklin Parkway, $20 for adults, $18 for seniors, $14 for students and youth, free for children under 12, 215-763-8100, philademuseum.org

Renoir: Father and Son/Painting and Cinema at the Barnes Foundation

This exhibit at the Barnes explores the artistic relationship impressionist painter Pierre-Auguste Renoir had with his son, filmmaker Jean Renoir. Visitors receive free admission on Sunday and, despite Made in America, the museum is open.

11 a.m. to 5 p.m. Friday to Monday, 2025 Benjamin Franklin Parkway, $30 for adults, $28 for seniors, $5 for youth ages 12 to 18, free for children 12 and under, 215-278-7000, barnesfoundation.org

Rich Kato looks over the paintings in the “Renoir: Father and Son / Painting and Cinema” exhibit at the Barnes Foundation June 3, 2018, during Free First Sunday Family Day and the Barnes’ first ever free block party. The paintings are by artist Pierre-Auguste Renoir, of his son, director Jean Renoir, when he was a child.
TOM GRALISH / Staff Photographer
Rich Kato looks over the paintings in the “Renoir: Father and Son / Painting and Cinema” exhibit at the Barnes Foundation June 3, 2018, during Free First Sunday Family Day and the Barnes’ first ever free block party. The paintings are by artist Pierre-Auguste Renoir, of his son, director Jean Renoir, when he was a child.

Game Masters: The Exhibit at the Franklin Institute

Play over 100 games at the Franklin Institute, including Sims, Angry Birds, Donkey Kong, and Minecraft. The exhibit, which takes visitors through the evolution of gaming from arcade classics to console-based games, also showcases the work of over 30 game designers. Like the Barnes, you'll have to battle Made in America crowds, but this is your chance to catch these classic games in Philly so it might be worth it.

9:30 a.m. to 7 p.m. Friday, 9:30 a.m. to 5 p.m. Saturday, 9:30 a.m. to 7 p.m. Sunday and Monday, 222 N. 20th St., $30 for adults, $26 for children, 215-448-1200, fi.edu

Leonard Bernstein: The Power of Music at the National Museum of American Jewish History

To celebrate the centennial of Bernstein's birth, the National Museum of American Jewish History mounted the first large-scale museum exhibition to showcase the conductor and composer's life, his Jewish identity, and his activism. You can check out Bernstein's piano, conducting suit, and many other significant items from his life and career.

10 a.m. to 5 p.m. Friday, 10 a.m. to 5:30 p.m. Saturday and Sunday, closed Monday, 101 S. Independence Mall, $15 for adults, $13 for seniors and youth, free for children and military, 215-923-3811, nmajh.org

Visit the world’s largest Viking ship

The Draken Harald Hårfagre, the world's largest Viking ship sailing in modern times, is stopping in Philly on Aug. 31 for six days of ship tours in the Draken Village. During each 30-minute tour, guests can check out the craftsmanship used to build the ship with oak, tar, hemp, iron and silk, along with what life as a crew member is like. Tours are timed and tickets can be purchased online.

Opening ceremony is Friday afternoon, the ship is then open from 10 a.m. to 8 p.m. Saturday through Monday, Independence Seaport Museum, 211 S. Christopher Columbus Blvd., $14 for adults, $7 for children, free for children under 4, 215-413-8655, drakenhh.com

Dag Sjovold