The DEMO version only includes 4 pages:
http://birthpedia.net
http://birthpedia.net/episode/540f96ae-293f-44ac-80cc-aa10650dcd16_ext_iframe.html
http://birthpedia.net/episode/ca286875-ec4b-4cc9-adb5-36a042303360_ext_iframe.html
http://birthpedia.net/about-us.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
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