C

• Commercial buildings completed in 1857 (1 C, 29 P)

E

• Event venues established in 1857 (3 C, 1 P)

G

• Government buildings completed in 1857 (1 C, 29 P)

H

• Hospital buildings completed in 1857 (4 P)

I

• Industrial buildings completed in 1857 (13 P)
• Infrastructure completed in 1857 (2 C)

M

• Military installations established in 1857 (3 P)
• Museums established in 1857 (1 C, 3 P)
• Music venues completed in 1857 (7 P)

R

• Religious buildings and structures completed in 1857 (2 C, 7 P)
• Residential buildings completed in 1857 (2 C, 5 P)

S

• School buildings completed in 1857 (13 P)
• Sports venues completed in 1857 (8 P)

T

• Theatres completed in 1857 (8 P)
• Towers completed in 1857 (1 C, 6 P)

U

• University and college buildings completed in 1857 (6 P)

W

• Windmills completed in 1857 (8 P)

• 1857 in architecture

B

• Barnard Observatory
• Box Elder Flouring Mill
• British Museum Reading Room

C

• Camp Beale Springs
• Column of the Immaculate Conception, Rome
• Custom House, Belfast

E

• Echols Farm

G

• George Washington (Bartholomew)
• Glenwood Cemetery (Flint, Michigan)
• Grey Columns

H

• Hector C. Haight House
• Hyde Park Obelisk

L

• La Borsa
• Lafayette Lodge No. 79

M

• Mayfield Baths
• Melchoir Brewery and Hotel Ruins

O

• Old Blue Coat School, Coventry
• Old Jail (Muscatine, Iowa)

P

• William Prindle Livery Stable

T

• Ta' Braxia Cemetery
• Treschows Stiftelse