Seriously? I mean, if money is no object? Geez you people are not creative.
"Oh I'll just be cremated..." Yeah, me too, but if money is no object, weeeeeell...
I'm going to buy a tropical island and the majority of it will be covered with the largest, tallest pyramid known to man. Deep beneath it, my corpse will be entombed in a room that can only be reached through a booby-trapped maze. Each section will be built by different contractors, who will never speak to each other and be killed after construction is finished (Their bodies will be donated to science, or the fishes). Throughout the pyramid, in elaborate pictorial codes, will be messages to my loved ones for people to try and decipher for centuries. The island and ocean surrounding it will be a protected site, maintained with the funds of "money is no object" (which is my favourite source of money) with all types of animals brought in exclusively to make my resting place more awesome. There will be no snakes or worms there, however, because those things give me the creeps. I will have staff whose sole job it is to traverse the island, ensuring no snakes or worms have made their way onto it, and ridding them if they do.
I will also genetically engineer a giant dragon and store him in a chamber that can only be accessed with a key that can only be obtained if you have the correct item, which you can only get to if you've beaten my previous three [strike:2nz0epwv]dungeons[/strike:2nz0epwv] tombs, and then once you get to the dragon, you must use your wits and that item to defeat him and get my heart (which will be kept on ice, otherwise it will be useless after the boss battle. Also I'm not sure people with heart conditions bad enough to need a transplant should be fighting dragons). After you take my heart, the pyramid will collapse.