Here are several screenshots from the world's most popular MMORPG, World of Warcraft. These screens were taken by GameOgre.

Baron Charr and Buddies on the Way 

Volchan in the Burning Steppes

Inside the Armory of the Scarlet Monastery

An Elite Dragon in the Swamp of Sorrows, Somnus

The Alliance Bring Out Their Big Boy

Getting Ready For the Alliance in Alterac Valley

Near Last Boss in Undead Stratholme

Definitely a Hot Area (Blackrock Mountain)

Dinosaurs in Un'Goro Crater

Two Dragon Heads

 
One of the Highest Level Outside Areas, Sithilus

 
World of Warcraft's Answer to Mount Rushmore

The Not-So-Jolly Green Giant, Fozruk

Orc Jumpers Without Parachutes