The DEMO version only includes 4 pages:
http://fundaciontedeum.org
http://fundaciontedeum.org/files/rue-color_ext_iframe_waak4oededs76kr5v7iw2w.html
http://fundaciontedeum.org/nuestro-personal.html
http://fundaciontedeum.org/experiencia.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.
Go back to the index page