The original tower was an octagonal wooden structure that had rotted out by the 1830s.

We walked up the path to the gazebo and entered the big octagonal structure.

The tomb is an octagonal structure crowned with a low dome.

Its octagonal structure is present in the coat of arms.

The temple itself, an octagonal seven-tier structure, was rebuilt in the 15th century.

This austere octagonal structure probably started life as a baptistry.

The unusual octagonal structure is said to serve several functions.

The pit is a raised octagonal structure where open-outcry trading takes place.

On top of that is a domed octagonal structure.

The ship angled toward an octagonal structure with a wide flat roof.