• [+] Forts by conflict (5 C)
• [+] Forts by country (65 C)

A

• [+] Ancient Roman forts (8 C, 13 P)

F

• [+] Fictional castles and fortresses (1 C, 39 P)

F cont.

• [+] Former fortresses (1 C, 15 P)
• [+] Fortresses (4 C)
• [+] French forts in North America (4 C, 1 P)

L

• [+] Lines (2 C, 4 P)

P

• [+] Portuguese forts (2 C, 31 P, 4 F)

S

• [+] Semipermanent fortifications (3 P)

*

• List of forts

B

• Bourtange (fort)

F

• Fort Allen
• Fort Eben-Emael
• Fort Fincastle

F cont.

• Fort George, George Town
• Führer Headquarters

L

• List of Korean-style fortresses in Manchuria

P

• Promontory fort

R

• Ribat

S

• Stockade

V

• Vitrified fort

Z

• Zvečan Fortress