When you hike and reach the peak, take a peek over the cliff, and see if what you see has your interest piqued.
Piqued [THINK: Quite excited (QU)]
Peaked [THINK: Reach the top (ea)]
Peeked [THINK: Peep (ee)]
“…The answer is piqued—and here’s why: Pique means “to excite (interest, curiosity, etc.)…
….A peak, on the other hand, is the pointed top of something, such as a mountain. When speaking figuratively, a peak is the highest or most important point or level….
…Peek means “to look or glance quickly or furtively, especially through a small opening or from a concealed location”…”
[read more about it on blog.dictionary.com]