head on this ancient goat was added 1620 by john bernini.s packed with art and sometimes carried out archeological investigations on their properties. >> first i came here, surprised by the number but i knew the number. >> reporter: why were with you surprised then? >> seeing in book and then in the real world is totally different thing. it was really moving. great experience. >> reporter: it's an experience more can have. marbles are set to travel across europe and likely to the u.s. as this remarkable record of our collective history is finally shared. >> that was seth doan in rome. "cbs overnight news" will be right back. - [greg] military life can have its challenges, but sometimes veteran life brings more. - [announcer] as america's veterans face challenges, dadav is therere. - [greg]g] i'm gregg gagadson, armymy veteran.. - [annououncer] dav v helps veterarans and theheir families geget the benenefits they'y've . - [grereg] today, , i'm an entrepepreneur, a a photograph, a publblic speakerer, and i nevever tire of f standing t t. - [an