Rockopolis

Rockopolis is an unmarked location at the western edge of the Capital Wasteland, north of Girdershade and southeast of the yao guai tunnels. It was once a hidden settlement, overrun by slavers.

Background
The isolationist leader of Rockopolis, King Crag, gave shelter to two individuals, Herbert Dashwood and Argyle. Not long after, there was an incident between Dashwood and the King's daughter, and as a result, he and Argyle were exiled. Dashwood returned at a later date, tricked by Penelope Chase into divulging the location.

Although Dashwood killed Chase, the slavers were already in route, and in response, King Crag called for Dashwood's death. The village was ultimately captured by the slavers, who enslaved as many as they could and sold them north to the Pitt. Argyle's remains lie near the entrance to Rockopolis.

Layout
The entrance is a boulder that can be interacted with like any other door or entrance. One dead tree is on the right of the entrance, two are on the left. And as the attached pictures show, there is a length of bunting above the boulder. It is easiest to find at night, as there are lights glowing on the rock face as you approach it from the east. The entrance is very close to the center of that particular square on the map. A random encounter location is near the entrance. There is a string of multicolored plastic triangle pennants (much like those found in Little Lamplight) above the entrance boulder.

If one approaches from above, they will see a small canyon. If continuing to look down, one will see a soft glow. Jumping down will allow entrance to Rockopolis without ever having seen the exterior. The only accessible section of Rockopolis is now a small area with some random objects. The tunnel to what was the rest of Rockopolis itself is permanently blocked by rocks. The area has the appearance of a cave-dwelling but lacks any beds.

Loot

 * Rollings -- We're done is a holotape found on a desk near the ladder.
 * Unarmed bobblehead is located next to Argyle's body.

Related quests

 * A Manhandled Manservant

Appearances
Rockopolis appears only in Fallout 3.

Bugs

 * It is possible to become stuck in a small pit if the player climbs on the rocks that are to the left of Argyle's body. To escape on PC, turn off collision in the console with the command. To escape on Xbox 360 and PS3 versions, head to the end of the pit behind the rocks and jump up them till you are on top, head back left (jumping if necessary) until you are clear of potential obstructions, then simply walk back down.
 * Argyle's body may not appear upon entering.