Check out the best in boats and model trains, plus honor the life of Martin Luther King Jr.

FAIRS, FESTIVALS, ETC.

Snow Mountain. Through Feb. 28. $28-$39.95. Stone Mountain Park, Highway 78, Stone Mountain. 770-498-5690, stonemountainpark.com.

Atlanta Boat Show. Jan. 14-17. $14; ages 15 and younger free when accompanied by a paid adult. Georgia World Congress Center, 285 Andrew Young International Boulevard, Atlanta.www.atlantaboatshow.com.

50th Atlanta Model Train And Railroadiana Show And Sale. 9 a.m. Jan. 16. $8; under age 12 free. North Atlanta Trade Center, 1700 Jeurgens Court, Norcross. www.northatlantatradecenter.com.

Martin Luther King Jr. Commemorative Services. This year, Dr. William Barber, President of the North Carolina State Conference of the NAACP and an NAACP National Board Member will be the keynote speaker. 10 a.m. Jan. 18. Free. (limited seating). Ebenezer Baptist Church. 101 Jackson Street, Atlanta. www.historicebenezer.org.

"A Force More Powerful" Narrated by actor Ben Kingsley, this film explores the history of nonviolence and the many powerful forces it has overcome. 1 p.m. Jan. 18. Free with general admission: $15; senior, student, educator $13; kids (ages 7–12) $10, 6 and under free (two per adult admission).Center for Civil and Human Rights, 100 Ivan Allen Jr. Blvd., Atlanta. www.civilandhumanrights.org.

Martin Luther King Jr. March & Rally. 1:15 p.m. Jan. 18 (assemble), 1:45 p.m. (march). Free. March starts at Peachtree and Baker streets, Atlanta. mlkmarchcommittee.com.

Martin Luther King Jr. Birthday Celebration. 11 a.m.-2:30 p.m. Jan. 18. $14.95. Children's Museum of Atlanta. 275 Centennial Park Drive N.W., Atlanta. 404-659-5437. Childrensmuseumatlanta.org.