1

broad stairs

2

crooked passageways

3

crypts

4

dead ends and switchbacks

5

deep cellars

6

garrets

7

gracious promenades

8

hidden rooms

9

low cellars

10

murder holes

11

narrow walkways

12

overlooks

13

secret doors

14

spacious chambers

15

spyholes

16

sumptuous chambers

17

twisting stairs

18

vast halls

19

vaults

20

vertiginous climbs