The National Geographic's All Roads Film Festival showcases indigenous- and minority-culture film, photography and music, this year with 47 cultures from 24 different countries represented. The festival includes a photography exhibit plus a Global Groove Dance Party on Saturday, Sept. 17, with local DJs Dave Nada and DJ Underdog, internationally known for Moombahton, a genre merging house music with reggaeton. Among the films of LGBT interest are two Friday, Sept. 16: A screening and discussion of Negar Azarbayjani's Facing Mirrors, about a the struggles of a transgender male in Iran; and a screening and discussion of Katie Wolfe's Kawa, about a man in New Zealand who comes out as gay among his Maori family. The festival runs through Sunday, Sept. 18. Most events take place at National Geographic Society's Gilbert H. Grosvenor Auditorium, 1600 M St. NW. Tickets to each film are $10, and a festival pass, including entry to the dance party, runs $100. Call 202-857-7700 or visit nglive.org.