Ok...I have pulled out the maps...
Keep in mind I don't know how much time you have for the parks so these are just my 'must dos' and there are obviously so much more to be done! I'm leaving out resturants as we only eat once a day when we are there.
so here we go...(In no particular order)
EPCOT: Spaceship Earth is a must-do as it is such a classic and a great way to get out of the heat and relax a little. We always do this after having been there warm all day.
Ellen's Universe of Energy is a fabulous way to get a comical relief from the heat (ac!) but is long (45 minutes). If you are only there for a few hours I'd say you could skip it but if you're there for 1/2 or more, I'd do it.
Mission Space I love but could definatly see how those uncomfortable with enclosed spaces don't like it. If you keep your eyes on the screen, you should not feel any spinning and be fine. The sensation is hard to describe.
Test Track is a low intensity thrill ride that both roller coaster lovers and non can both enjoy.
Soarin' in The Land is breath taking and I really felt like I could feel water on my toes, etc. The scents really enhance the experience. I'm also a big fan of the queue area with the trivia on the wall. Have a competition and the lines don't seem long.
Ok...a HUGE must do for me (but I'm a geek and most people are more of so what?) Journey Into Imagination With Figment. Adorable little guy and wait is never that long as it is a more or less get on as you approach kind of thing.
I'm not a huge World Showcase person so I am of really no help there.
Illuminations at night is fabulous but my least favorite of the 3 night shows (Fantasmic in MGM and Wishes in MK).
MGM : Of course, Tower of Terror is a must. So fabulous and the weightless sensation is amazing.
Muppet*Vision 3-D show is one of my favorite shows in WDW. The pre-show is also the best in WDW.
Lights, Motors, Action! Stunt Show I haven't seen but haven't heard one negative thing about it.
I love the Backlot Tour but I'll admit that it has gone down hill since they moved some of the stuff. Plus...great Earfull Tower photo op!
Voyage of the Little Mermaid is the best on a hot day. Not only is it in ac but you get misted twice. The show is really great too.
The Great Movie Ride is in my top 10 in Disney. You can't leave until you do it.
Rock n' Rollercoaster is amazing. Love the music, love the speed, everything. Not good if you don't like really fast rides or loud music.
At night, Fantasmic is shown twice. It's my favorite night show of the 3 and ends with an amazing boat parade.
Magic Kingdom : Pirates of the Caribbean. Now, I haven't been on it since the refurb but I hear that it is still great and HUGE changes haven't been made. Also found it's place in my top 10.
Splash Mountain is pure Disney classic. A great show and a great thrill.
Big Thunder Mountain Railroad is a tame rollercoaster type thing. Totally a must-ride.
Country Bear Jamboree is one of the best shows. It's so cute.
I love the Hall of Presidents but some may find it pretty dull.
The Haunted Mansion is my all time favorite ride. Number one must-do.
It's a Small World is a classic actually made by Walt so it has to be done, even if people do find the song annoying.
ok, Mickey's Philharmagic is garanteed to be the best 3-D show that you will ever see. It has some 4-D stuff but it doesn't go crazy like TTBAB or big dramatic 3-D like HISTA.
Space Mountain is awesome but has changed and is less black now then before. It is more of a grey and in some parts you can see the track making it a little harder to enjoy.
Carousel of Progress is another of Walt's creations. I LOVE LOVE LOVE LOVE it.
Buzz Lightyear's Space Ranger Spin is very fun and especially if you have a competition to see who can get the most points.
Animal Kingdom :Sit and look at the Tree of Life for 1/2 an hour.

but seriously, stop to look at it's amazing beauty and artistry. You can see It's Tough To Be A Bug and look at the roots of the tree while standing in line.
Kilimanjaro Safaris is really cool in that the animals are RIGHT there. There's a message in there too but isn't so stressed that you can't enjoy yourself. Same holds true for Kali River Rapids. Be ready to get wet!
Expedition Everest is a must do and is so well done and the attention to detail is like no other.
Dinosaur is fabulous and quite a ride.
Primeval Whirl is awesome. My mom, grandma, and I could not contain our laughter!
So those are my must-sees for each park. Do as much or as little as your heart's desire but remember at one point or another to stop and examine the amazing detail and Disney atmosphere. Just remember to enjoy your honeymoon and congrats on the marriage!