Best Picture Books... but there are so many not listed as well. Here are some I've reviewed for my picture book writing craft book. There are just so many brilliant picture books out there, but this is a list I'd start with.

Forgive the length of this post.
Allard, Harry. (2007). Miss Nelson is Missing. Sandpiper Publishing
Archambault, John. (2004). Boom Chicka Rock. New York, NY: Penguin Publishing
Bachelet, Gilles. (2006). My Cat, The Silliest Cat In The World. New York, NY: Harry. N. Abrahms.
Bachelet, Gilles. (2007). When the Silliest Cat Was Small. New York, NY: Harry N. Abrahms.
Barroux. (2010). EXTRAordinary Pets. Maplewood, NJ: Blue Apple Books.
Barton, Chris. (2010). Shark Vs. Train. New York, NY: Little Brown Books for Young Readers.
Beaty, Andrea. (2006). When Giants Come to Play. New York, NY: Harry N. Abrahms.
Beaty, Andrea. (2009). Firefighter Ted. New York, NY: Simon & Schuster/Margaret McElderry.
Beaumont, Karen. (2005). I Ain’t Gonna Paint No More! Boston, MA: Harcourt Children’s Books
Beaumont, Karen. (2011). No Sleep for Sheep! Boston, MA: Harcourt Children’s Books
Bemelmans, Ludwig. Madeline
Black, Michael Ian. (2009). Chicken Cheeks. New York, NY: Simon & Schuster for Young Readers.
Briggs, Raymond. (2002). The Snowman. New York, NY: Penguin.
Brown, Peter. (2009). The Curious Garden. New York, NY: Little, Brown Books for Young Readers.
Brown, Peter. (2010). Children Make Terrific Pets. New York, NY: Little, Brown Books for Young Readers.
Browne, Anthony. Me and You
Bunting, Eve. Hurry, Hurry
Bunting, Eve. Night Tree
Burton, Virginia Lee. Mike Mulligan & His Steam Shovel
Carle, Eric. Brown Bear, Brown Bear, What Do You See?
Carle, Eric. The Very Quiet Cricket
Chaconas, Dori. One Little Mouse
Chaconas, Dori. Don’t Slam The Door!
Chall, Marsha Wilson. Bonaparte
Chall, Marsha Wilson. Up North at the Cabin
Chall, Marsha Wilson. One Pup’s Up
Clements, Andrew. DOGKU. New York, NY: Simon & Schuster
Cordell, Matthew. Trouble Gum (Feiwel and Friends)
Crawford, Laura. American Revolution from A to Z (Pelican)
Crimi, Carolyn. Henry and the Crazed Chicken Pirates (Candlewick)
Crimi, Carolyn. Get Busy, Beaver!
Cyrus, Kurt. (2011). The Voyage of Turtle Rex. New York: NY: Harcourt Children’s Books.
Day, Larry. illustrator, Bye-Bye, Baby! (Walker Books for Children)
Ebbeler, Jeff. illustrator, One is a Feast for a Mouse (Holiday House)
Elliot, David. Finn Throws A Fit
Elliot, David. And Here’s To You!
Fleming, Candace. Tippy, Tippy, Tippy, Hide!
Fleming, Candace. Muncha! Muncha! Muncha!
Fleming, Candace. Clever Jack Takes The Cake
Fox, Mem. Koala Lou
Fox, Mem. Hello Baby
Fox, Mem. Harriet, You Drive Me Wild
Frazee, Marla. The Boss Baby
Gag, Wanda. Millions of Cats
Graves, Keith. Chicken Big
Graves, Keith. Frank Was A Monster Who Wanted To Dance
Gravett, Emily. Orange, Pear, Apple, Bear
Gravett, Emily. Monkey and Me
Gravett, Emily. The Odd Egg
Grey, Mini. The Very Smart Pea and the Princess-To-Be
Griffin, Molly Beth. Loon Baby
Henkes, Kevin. Kitten’s First Full Moon
Henkes, Kevin. Chrysanthemum
Henkes, Kevin. My Garden
Hershenhorn, Esther. S is for Story: A Writer’s Alphabet (Sleeping Bear Press)
Hughes, Shirley. Don't Want to Go!
Isaacs, Anne. Swamp Angel
Isadore, Rachel. Bring on the Beat
Jenkins, Steve and Robin Page. What Do You Do With A Tail Like This?
Kaplan, Bruce Eric. Monsters Eat Whiny Children
Katz, Alan. The Flim-Flam Fairies
Keats, Ezra Jack. The Snowy Day
Kraus, Robert. Leo the Late Bloomer
Kraus, Robert. Whose Mouse Are You?
Krouse Rosenthal, Amy. Little Pea
Krouse Rosenthal, Amy. the OK book
Krouse Rosenthal, Amy. Duck! Rabbit!
LaRochelle, David. The End
LaRochelle, David. The Best Pet of All
Leaf, Munro. The Story of Ferdinand
Lee, Suzy. SHADOW
Lester, Julius. John Henry
Martin, Jacqueline Briggs. Snowflake Bentley
Martin, Jacqueline Briggs. Banjo Granny
Martin, Jacqueline Briggs. The Chiru of High Tibet
Martin, Jr., Bill and John Archambault. Chica Chica Boom Boom
McCloskey, Robert. Make Way For Ducklings
McCourt, Lisa. I Love You Stinky Face
McGhee, Alison. Someday
Nelson, Marilyn. Snook Alone
O’Malley, Kevin. Animal Crackers Fly the Coop
Proimos, James. Paulie Pastrami Achieves World Peace
Polacco, Patricia. Emma Kate
Potter, Beatrix. The Tale of Peter Rabbit
Raschka, Chris. Mysterious Thelonius
Raschka, Chris. Charlie Parker Plays Be Bop
Raschka, Chris. Yo! Yes?
Ray, H. A. Curious George
Reynolds, Aaron. Chicks and Salsa
Reynolds, Aaron. Superhero School (Bloomsbury)
Rodriguez, Béatrice. The Chicken Thief
Rompella, Natalle. Edgar, Allan, and Poe and the Tell-Tale Beets (Lobster Press)
Root, Phyllis. Flip, Flap, Fly
Root, Phyllis. Looking For A Moose
Root, Phyllis. Oliver Finds His Way
Root, Phyllis. CREAK! Went the Bed
Rohmann, Eric. (2002). My Friend Rabbit. Brookfield, CT: Roaring Brook Press.
Sauer, Tammi. Chicken Dance – Add to Rhythm section
Sauer, Tammi. Mr. Duck Means Business
Sauer, Tammi. Mostly Monsterly
Scieszka, Jon. The True Story of the Three Little Pigs
Seeger, Laura Vaccaro. First the Egg
Seeger, Laura Vaccaro. What if?
Seeger, Laura Vaccaro. The Boy
Sendak, Maurice. Where the Wild Things Are
Shannon, David. No, David!
Shannon, David. Oh, David!
Simmons, Jane. Come Along, Daisy
Singer, Marilyn. Mirror, Mirror: A Book of Reversible Verse
Slade, Suzanne. What’s New at the Zoo (Sylvan Dell)
Smallcomb, Pam. I’m Not
Smallcomb, Pam. Earth to Clunk
Smith, Lane. John, Paul, Ben & George (Hyperion)
Smith, Lane. (2010). It’s A Book! New York, NY: Roaring Book Press.
Smith, Stu. My School’s a Zoo
Spinelli, Eileen. Three Pebbles and a Song
Spinelli, Eileen. Six Hogs on a Scooter
Spinelli, Eileen. Sophie’s Masterpiece
Spinelli, Eileen. Silly Tilly
Spinelli, Eileen. Moe McTooth: An Alley Cat’s Tale
Stead, Philip C. A Sick Day for Amos McGhee
Steig, William. Doctor De Soto
Swanson, Susan Marie. The House in the Night
Taback, Simms. Joseph Had a Little Overcoat
Underwood, Deborah. The Quiet Book
Underwood, Deborah. The Loud Book
Van Allsburg, Chris. The Polar Express
Voist, Judith. Alexander & The Terrible, Horrible, No Good, Very Bad Day
Ward, Jennifer. The Busy Tree (Marshall Cavendish)
Ward, Jennifer. Let’s Go Outside! (Random House/Trumpeter)
Wiesner, David. Art & Max
Wiesner, David. Tuesday
Wiesner, David. Flotsam
Wheeler, Lisa. One Dark Night
Wheeler, Lisa. Jazz Baby
Willems, Mo. Leonardo the Terrible Monster
Willems, Mo. Knuffle Bunny
Willems, Mo. We Are In A Book!
Willems, Mo. Don’t Let the Pigeon Drive the Bus!
Williams, Vera. A Chair For My Mother
Winter, Jonah. Gertrude is Gertrude is Gertrude is Gertrude
Young, Ed. Seven Blind Mice
Zion, Gene. Harry the Dirty Dog