I never thought to look for old-time hellfire-and-brimstone Christian materials online, but oh boy, is there a bunch out there. Old Time Religion focuses on the printed materials, while Christian Nightmares is all over the place. Have fun, kids!
If you prefer snow globes to Christian tracts, Walter Martin and Paloma Muñoz have made some wonderfully odd (and sometimes creepy) creations.
If you’d rather go the literary route, there’s a hotel in London with a few Harry Potter-themed rooms, amidst the ones for muggles.
And if you’d just rather not state your beliefs too loudly in public these days, fear not, Nuanced Stickers are here for you!