Gaze

Stare

Gawk = Gawp:

Gape

Glance

Scan

Glare

Glower

Peer

Peep

Observe

Glimpse

Spot

Behold

View

Sight

Leer

Blink

Wink

Frown

Scowl

Squint

Peek

Ogle

Goggle

Eyeball

To take a gander at something

To cast an eye on/over something

Browse

Scrutinize