Everyone is just realising that the Sydney Opera House isn't one building

A travel TikToker has documented the bizarre moment that she discovered the famous Sydney Opera House isn't just one building.

Amanda Wanders had always assumed the 'House' part of its name meant it was one venue (which it also looks like from a distance), however, each 'peak' of its structure is actually a different concert hall.

The individual rooms are reportedly all attached via an underground passage.

'How am I 33 years old and just finding this out', one TikTok user joked in the comments.

Click here to sign up for our newsletters