The first thing you would notice upon approaching the Thieves HQ is the outer walls. The walls are about two and a half feet thick and 12 feet tall. The gate is located on the north wall, and it is made of twisted iron bars designed to have the appearence of twin daggers crossed and pointing skyward. After passing through the gate, if you follow the beaten dirt path, you'll reach the main building.
The main building has been built with an outer layer of stone, a second layer of steel, and an inner layer of wood. The roof is peaked, and painted black and green to blend in with the tree tops. The doors are built of thick oak wood, and the windows are 9 feet up on the 10 foot walls. The windows are thin slits, just enough to allow air and light to enter the HQ.
Around behind the HQ you can find the stables. The stables are built of pine and oak. There are more windows, to allow light and air flow. The doors are large enough to allow anything below 8 feet tall and 9 feet wide to pass through.
Time to go inside.