Have big-time fun at Monster Jam and get slimy at Repticon Atlanta Reptile & Exotic Animal Show.

Garden Lights, Holiday Nights. More than 1.5 million LED lights decorate the 30-acre garden. A new feature, the Tunnel of light joins old friends Orchestral Orbs, Glittering Galaxy, Radiant Rainforest and more. Through Jan. 9. 5-10:o0 p.m. $26 (member discounts available); $20 ages 3-12; free under 3. Parking: $10 ($5 for vehicles with four or more) 1345 Piedmont Ave., Atlanta. 1-855-454-6849,atlantabotanicalgarden.org.

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

Holiday in Lights at Centennial Olympic Park. Walk amid thousands of lights illuminating the 21-acre park. Through Jan. 10. Open 7 a.m.-11 p.m. daily. Free. Ice skating rink is $12 per person (includes skate rental) for 90 minutes. 4:30-10 p.m. Mondays-Thursdays (until 11 p.m. Fridays), 10 a.m.-11 p.m. Saturdays, 10 a.m.-10 p.m. Sundays. 265 Park Ave W. N.W., Atlanta. 404-223-4412, centennialpark.com.

Monster Jam. 7 p.m. Jan. 9. $20-$55. Tickets cost $5 more the day of show. Georgia Dome, One Georgia Dome Drive, Atlanta. 800-745-3000, www.ticketmaster.com.

Repticon Atlanta Reptile & Exotic Animal Show. Jan. 9-10. $5-$15. Gwinnett County Fairgrounds, 2405 Sugarloaf Parkway, Lawrenceville. www.repticon.com.

"Three Kings Day, Dia del los Reyes." 1-5 p.m. Jan. 10. This is a free admission day at Atlanta History Center. 130 West Paces Ferry Road N.W., Atlanta. atlantahistorycenter.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.