the 2018 audi q5 is here. >> so, by what name was the c.s.s. virginia also known? imack. it was a union ship salvaged by the south and rechristened as the virginia. in 1862, it faced off against the monitor in the first duel between ironclad ships. >> by the 1990s, william atteridge has built an armada of nearly 1,000 model ships. visitors from around the world travel to his makeshift museum in the louisiana woods to see his amazing craft. did he charge people to come in? >> his museum was donations only. they would drop a couple dollars in a bucket and he'd let them go through there and he would talk them to death. and, finally, it was almost like, "okay, we got to go." [ chuckles ] >> one of his early patrons -- louisiana state university historian gary joiner. do you remember the first time walking in? >> absolutely. the first thing i saw was this giant model of the c.s.s. arkansas. and i said, "you know what you're doing." >> was he a teacher? >> he was to me. he was a historical sponge. >> gary commissions william to build ships to use as visual aids in his cla