BOLDED are mistakes.
<em><u>Underlined</u></em> and <u><em>slanted</em></u> is what you should do to fix the mistakes.
My Ark Encounter
The happiest day of my life was our tour of the ark encounter.
<em><u>Change "ark encounter" to "Ark Encounter".</u></em>
We went on vacation to the beautiful state of Kentucky for annual family vacation.
It was the most amazing experience we all have ever had.
<u><em>Delete "all have ever"</em></u>
Our day started very humid and hot.
We all got ready, and had breakfast.
<u><em>Delete the comma. </em></u>
And we where out the door by 10 in the morning.
<u><em>Delete "And"</em></u>
<u><em>Capitalize "w"</em></u>
<u><em>Change "where" to were</em></u>
<u><em>Add a period to the end of the sentence.</em></u>
We arrived to Williamston Kentucky at about 11am so we we could purchase our tickets and tour information.
<u><em>Delete "we".</em></u>
Upon arrival we where amazed at how big that ark really was, but we where more shooken by the people their waiting in line.
<u><em>Change "where" to "were".</em></u>
<u><em>Change "where" to "were".</em></u>
<u><em>Change "more shooken" to "shocked".</em></u>
We found a parking spot as soon as we could, but that was a one of the biggest struggles.
<u><em>Delete "a".</em></u>
<u><em>Change "struggles" to "challenges".</em></u>
So we decided i would get off and wait in line, and my husband and kids would go find a parking spot and wait for me to get closer to the ticket booth.
<u><em>Capitalize "i".</em></u>
<u><em>Delete the comma.</em></u>
So after about an hour in line, it was time to start the adventure.
<u><em>Delete "So".</em></u>
<u><em>Capitalize "a".</em></u>
We where all very excited.
<u><em>Change "where" to were".</em></u>
We waited for the tour guide and bus to take us to the ark.
When we finally got to the ark.
<em><u>Change the period to a comma and combine with next sentence.</u></em>
I was amazed and humbled at how small we are next to God's creations.
<u><em>Delete "and humbled".</em></u>
<u><em>Delete "s".</em></u>
I
could not help but to cry and thank God for his divine mercy on me.
<u><em>Change "Icould" to "I could"</em></u>
<u><em>Delete "to".</em></u>
<u>Side note: Why thank God for divine mercy?</u>
We finally went inside and our mouths dropped to the floor in astonishment.
<em><u>Delete "in astonishment".</u></em>
When we started walking around we noticed that it was 3 floors high.
<u><em>Define "it".</em></u>
Everything was made of gopher wood.
Their was every type of animal that you could never imagine excisted.
<u><em>Change "Their" to "There"</em></u>
<u><em>Change "excisted" to "existed"</em></u>
There where scenes of Noa and his family on how they lived and how they
would cook.
<u><em>Change "where" to "were".</em></u>
<u><em>Change "Noa" to "Noah".</em></u>
And how they would feed the animals and keep them calm in there cages.
<u><em>Change "there" to "their".</em></u>
We also interacted with a lot of animals that they had their.
<u><em>This sentence doesn't make sense. Either change it or delete it.</em></u>
The kids where able to feed lambs, alpacas, lamas and so many other animals.
<u><em>Change "where" to "were".</em></u>
<u><em>Change "lamas" to "llamas".</em></u>
We started to get hungry, but the only on site restuarant was full with a very long waiting line so we waited until we left back home.
<u>Change "on site" to "on-site".</u>
<u>Change "restuarant" to "restaurant'.</u>
We decided to take some family pictures next to the ark, and behind was a
beautiful mountain site where we all thought was the perfect scenery.
<u><em>Delete the comma.</em></u>
<u><em>Change "where" to "which".</em></u>
Afterwards, we went to the gift shop and purchased gifts for our family members and ourselves.
<u><em>Add a comma where it is bolded and placed.</em></u>
In conclusion, we had the most amazing day at the ark encounter and we hope to go back one day and take other family members and share our '.
<u><em>Add a comma where it is bolded and placed.</em></u>
<u><em>Change "ark encounter" to "Ark Encounter".</em></u>
<u><em>Change " '. " to "experience".</em></u>
Notice I may have not purely edited your essay so there may be some more mistakes. These are just the grammar mistakes and fixing parts that don't make sense.