Fortresses Like Fort Snelling
Fort Laramie
Fortress
6.90
Fair
Fort Vancouver
Fortress
6.62
Fair
Fort Jefferson
Fortress
7.54
Good
Fort Sumter
Fortress
7.36
Good
Fort Pulaski
Fortress
6.90
Fair
Fort Monroe
Fortress
6.72
Fair
Modlin Fortress
Fortress
6.26
Fair
Mill City Museum (Minneapolis)
Watermill
9.16
Excellent
Washburn A Mill
Watermill
9.08
Excellent
Medtronic Twin Cities Marathon
Marathon
8.89
Great
Bellefontaine Cemetery
Cemetery
8.73
Great
Woodlands Cemetery (Philadelphia)
Cemetery
8.62
Great
Oak Hill Cemetery (DC)
Cemetery
8.39
Great
Grandma's Marathon
Marathon
8.35
Great
Green Mount Cemetery
Cemetery
8.34
Great
Hoosac Tunnel
Tunnel
8.32
Great
Hanford Mills
Watermill
8.32
Great
Twin Cities Marathon
Marathon
8.20
Great
Washington Square Arch, New York City
Triumphal Arch
8.18
Great
Blue Ridge Tunnel
Tunnel
8.15
Great
John Hay
Diplomat
8.15
Great
Burg Hohenzollern
Fortress
8.10
Great
Faribault Woolen Mill
Watermill
8.04
Great
Clinton Red Mill
Watermill
8.04
Great
