If you're looking for something to draw inspiration from, I could recommend this. It's the only real-life Indiana Jones-themed coaster I can find.
^Click to visit my downloads page. Â Most recent additions: House of Pandamonium II, Dual Invasion (Octopus/Basilisk), Spooky Splasher
Coasters in the picture: Grand Zephyr, Wyvern, Perilous Pipeline, Bushmaster