Albania is definitely worth visiting. BUNK'ART in Tirana is an easy way to see the bunkers for yourself.

Somewhat related: Famous Russian urbex photographer Lana Sator is still stuck in Albania, after being arrested for espionage while documenting Albania's abandoned cold war military infrastructure: https://archive.is/o7rgB

For what it's worth, she is a well known photographer. I've been following her work since the early 2010s.