Prologue:
House of the Temple, 1733 Sixteenth Street NW in Washington, D.C
Chapter 1:
Eiffel Tower
Falcon 2000EX
The Washington Monument
Dulles International Airport to the US Capitol Building
Chapter 2:
Moko scars of the modern Maori
U.S. Capitol Building
possible tattoos
Chapter 3:
Chapter 4:
Chapter 5:
SMSC: 4210 Silver Hill Road
Chapter 6:
Chapter 7: no visuals, setting back at 4210 Silver Hill Road as in Chapter 5.
Chapter 8-9:
National Statuary Hall
Chapter 10:
Capitol Rotunda: https://goo.gl/maps/28uTFHrq6PwBJSnR8
Manikin Hand
Chapter 11:
ALH84001 – Mars Meteorite, Sitting Bull’s handwritten pictographic diary sample, Specimens in wax sealed Ball jars?
Chapter 13:
Capitol Rotunda Dome
hand of the mysteries
Chapter 14:
Chapter 15:
Ancient string theory, 10 dimensions
Chapter 16:
33rd Scottish Rite ring
Chapter 17:
Vitiligo
Texas-based model Amy Deanna, is featured in CoverGirl’s newest ad campaign as the first woman with Vitiligo in an ad for CoverGirl.
Chapter 20:
Temple of Vesta, ruins at the Roman Forum
Rendering of what the Temple of Vesta may have looked like:
Remnants of circular railing
4 pointed star in the crypt below the Great Rotunda
Chapter 21:
Apotheosis of Washington
George Washington flanked by Liberty and Victory
Minerva, Roman goddess of wisdom and art, with Ben Franklin, Samuel Morse, and Robert Fulton.
Vulcan, Roman god of the forge, with a steam engine 
Neptune, Roman god of the sea, and Venus, who was born of the sea, help lay the transatlantic cable with a steamship in the background.
Ceres, Roman god of agriculture, sits atop a McCormick reaper while an allegorical figure of America leads the horses and the goddess Flora picks flowers.
Mercury, Roman god of commerce, hands gold to the financier of the Revolution, Robert Morris.
Columbia as a goddess of war, accompanied by a bald eagle carrying arrows and a thunderbolt. Together, they are running over the allegorical figures of Tyranny and Kingly Power.
The Last Supper, The admiration of the Magi, and St. John the Baptist, works by Leonardo Da Vinci:
Chapter 22:
Three graces by Michael Parkes
Chapter 23:
Futhark Runic Alphabet
Chapter 25:
Lord’s House of Glory across the the street from SMSC
Chapter 28:
US Capitol Crypt
Ground Floor (S, H Level), the pink highlighted rooms are the three Langdon call out as he passes, S152, S153, S154
Chapter 30
Chapter 32:
Chapter 35:
The Great Seal of the United States (front/back)
Sub-Basement
Note, on the blueprint I found, these rooms are not labeled SBB, but rather HSB 1-5 and SSB 1-5. I assume that acronym stand for House Sub-Basement and Senate Sub-Basement and that Brown took some fictional liberties here. I removed the room identifiers and replaced with labels from the story.
Chapter 37:
Smithsonian’s giant squid at the Natural History Museum, this one is only 25 feet long.
Chapter 38:
Example of a Chamber of reflection:
Chapter 39:
unfinished pyramid, part of the great seal of the US, on the back of the $1 bill
Chapter 43:
The now finished tunnel to the Library of Congress:
Chapter 46:
Library of Congress Great Hall
The Gutenberg Bible and the Giant Bible of Mainz display cases with the six panels of John White Alexanders “Evolution of the Book”
New Gutenberg Bible display case (2018)
Main Reading Room
Chapter 48:
Moses statue in the LOC Main Reading Room
Chapter 62:
Chapter 63:
Embassy Row, Washington D.C.
Shadow House Gazebo
Chapter 64:
The
secret hides
within The Order
Chapter 68:
Works by Albrecht Dürer: The Four Horsemen of the Apocalypse (1498), Young Hare (1502), Adam and Eve (the Fall of Man) (1504), The Feast of the Rosary (1506), Praying Hands (1508), The Rhinoceros (1515)
Melencolia I (1514), Albrecht Dürer
Chapter 69:
US Botanical Gardens
Chapter 70:
JEOVA SANCTUS UNUS
Chapter 71:
An example of an Ouroboros
Chapter 73:
Chapter 75:
Chapter 76:
Freedom Plaza:
Chapter 78:
The George Washington Masonic National Memorial
Website: https://gwmemorial.org/
Chapter 79:
Metro Center Station, Blue/Yellow, Orange, and Red Lines
Washington National Cathedral
Chapter 80:
Order of the Eastern Star
Chapter 82:
Interior of the Washington National Cathedral:
The pink line is straight, the blue line shows how the central aisle curves slightly to the left.
rood screen and reredos
Chapter 84:
Chapter 85:
JEOVA SANCTUS UNUS
ISAACUS NEUTONUUS
Chapter 89:
Cathedral College
Chapter 92:
Chapter 93
Franklin Square
One Franklin Square
Chapter 94:
Kalorama Heights Neighborhood
Chapter 97:
St. Peter’s Square Obelisk
Chapter 97:
https://www.almasshriners.org/
Chapter 98:
Chapter 99:
Almas Shrine Temple
Shriners in parades…
Chapter 102:
Examples of alchemical, astrological, heraldic, angelic, magical, numeric, sigilic, Greek, and Latin symbols:
Chapter 106:
Chapter 111:
Norman Castle/Smithsonian Castle
Diffusion and Increase
Chapter 113-114
Heredom, eta, epsilon, rho, epsilon, delta, omicron, mu
Chapter 115:
House of the Temple
The Temple Room:
Chapter 116:
Chapter 117:
Freemason initiate
Full Masonic Regalia
Potomac Lodge No. 5, https://www.potomac5.org/
Chapter 120:
Chapter 121:
House of the Temple atrium
Chapter 122:
The circumpunct:
Chapter 125:
House of the Temple Library, reading desk
Chapter 127:
James Sanborn, Kryptos
James Sanborn, Cyrillic Projector project
Chapter 128-129:
East view from the Washington Monument
Reproduction of the apex in the visitor’s center, describing the Laus Deo is on the east side, facing the rising sun.
Laus Deo, praise god
North view from Washington Monument
West view from Washington Monument
Parthenon, Lincoln Memorial
South view from the Washington Monument
Pantheon, Jefferson Memorial
Durer’s Melencolia I, once again
Chapter 131:
Chapter 133:
Epilogue:
The End.
Langdon's World Visual Companion 