Dunkirk forms with Bergues, Bourbourg and Gravelines a group of fortresses enclosed by inundations and canals.
Among the most curious documents of early America is the Popol-Vuh or national book of the Quiche kingdom of Guatemala, a compilation of traditions written down by native scribes, found and translated by Father Ximenez about 1700, and published by Scherzer (Vienna, 1857) and Brasseur de Bourbourg (Paris, 1861).
Pio Perez (in Stephens, Incidents of Travel in Yucatan) and in the remarkable 16th century Relation de las cocas de Yucatan by Diego de Landa, published by Brasseur de Bourbourg (Paris, 1864).
Brasseur de Bourbourg, p. 140), which does not correspond with Mexican custom.
Another early explorer was the French artist Frederic de Waldeck, who published Voyage pittoresque et archeologique dans la province d'Yucatan (Paris, 1838), and whose collection of drawings appeared in 1866, with the descriptive text by Brasseur de Bourbourg, under the title Monuments anciens du Mexique.
The Quiche Popol Vuh, or "Book of History," which was translated into Spanish by the Dominican friar Ximenes, and edited with a French version by Brasseur de Bourbourg, is an important document for students of the local myths.