It piqued my interest.

Meaning

It aroused my curiosity.

Examples

• John: I saw the documentary on the Amazon rainforest last night.
• Alice: Oh, that <b>piqued my interest</b> too! What was it about?
• John: It focused on the indigenous tribes. The rich culture really <b>piqued my interest</b>.
• Alice: I'll have to watch it. That sounds fascinating!