TODAY | August 22, 2013
>>> you may have taken a road trip with your children this summer. i'm guessing it's not going to compare to the adventures of one family from west palm beach , florida.
>> hi, south florida .
>> boy, have we had an exciting week.
>> we're at grace land.
>> historic jamestown , virginia.
>> this is the statue of liberty .
>> yeah, go, buddy.
>> randy and heidi martin took their kids, kristie and kyle, on the trip of a lifetime.
>> that will be great.
>> their mission, to see all 50 states .
>> this is going to be so much fun.
>> we went up through new england.
>> after nine months of planning, they took sabbaticals from their job, pulled their kids out of school, even sold their home and all their belongings.
>> seeing all of america and seeing how good the people are in america and the different regions and cultures of america .
>> traveling by rv, the march continues traveled for 13 months, more than 67,000 miles through all 50 states driving across the lower 48, flying to hawaii, and sailing to alaska.
>> here we are at the state capitol building in harrisburg, pennsylvania.
>> they went to every state capitol , presidential library and historic site .
>> we learned a ton about politics. places i see in textbooks. we actually crossed the mississippi. we actually got to go on battle fields where george washington walked.
>> hi, we're here in nebraska national park .
>> highlights from the road trip .
>> my favorite memory is some of the snowed in times.
>> philadelphia was cool.
>> mine was d.c.
>> new jersey state park .
>> i like new york city .
>> colorado was really cool.
>> i think i was most impressed by flying down into the grand canyon .
>> our best souvenir.
>> our puppies.
>> two awesome puppies named trip after our trib and lippy bell.
>> as you can probably imagine, a year on the road in an rv can get tough.
>> you have to have a close knit family to survive a trip like this.
>> when the toilet gets clogged, when we're not doing well together. after days of a clogged toilet and all it takes is a plunger and we didn't try a plunger.
>> i'm an accountant.
>> in the end the martin family feels doing this road trip was the right decision.
>> i don't want us to have to do it when we're 60 because i would be sitting there the whole time saying, oh, wouldn't the kids love this.
>> and what their kids learned from this trip made it worth it for the march continues.
>> i hope i've shown my kids if you have a big dream, you can do it.
>> just get out there and show them, america , because it's amazing.
>> for today, kerry sanders , nbc news, miami.
>> by the way, in terms of school, the martin kids did online classes during the trip. they're now back in florida living in a rental home. they say it was worth it.
>> so cool. you have an epic look.
>> oh, yeah. when i was about four or five years old we took a trip from new jersey all the way down to panama.
>> you drove?
>> yeah. yeah. we drove the whole way. it was over a month-long trip but we had many stops along the way.
>> how did y'all get along by the end of that trip?
>> my sister and i, that's why we have such sibling rivalry.
>> fighting over the good chair or whatever?
>> fighting in the middle to see. tucson to kentucky. my whole family, there are five of us, then my aunt and uncle and three kids. ten neem a van, camper driving across the country.