The fort had a moat and was an pentagonal structure concealed behind an embankment.

It was an invisible being trapped in a pentagonal structure in Atlantis.

Many centuries ago, a castle with a pentagonal structure stood near the shore, near an Olivetan monastery.

The other consists of the traditional pentagonal structure with a circle inside of it.

A pair of pentagonal structures stood on the lower peninsula.

After another kilometer of hiking along the canal, Richard and Nicole saw a large pentagonal structure in the distance.

Arbatskaya's vestibule is a unique five-tiered, pentagonal structure with the word "Metro" written on all sides.

It was a clearing, a couple of hundred meters across, and it stood in the shadow of one of the great pentagonal structures.

It was a monument surrounded by a pentagonal structure.

Synestructics (does not make pentagonal structures).