"He had a passing acquaintance with the Mancos and McElmo country..." (Against the Day, pg. 277). According to pynchonwiki: "This is a clear reference to Mesa Verde, on the Mancos River between Mancos and Cortez, CO, southwest of Telluride," as Pynchon describes the petroglyphs found here.

"Kit had fallen into conversation with a footplate man who was deadheading back out to Samarkland..." (Against the Day, pg. 752).

"At Merv the tracks swung leftward into the desert... (Against the Day, pg. 752).

"You have miles of streets and canals here, mister." (Against the Day, pg. 257; multiple references throughout).

Mason & Dixon (1997): Lübeck is mentioned in the novel, though not necessarily with the geographical detail of other sites.

"Last stop on the line was Baku on the Caspian Sea..." (Against the Day, pg. 751).

"He rode her all over the territory. From the coastal desert to the Kalahari, from Warmbad to the Portuguese frontier..." (V., pg. 240).

V : The novel contains a passage describing the city of Split (Yugoslavia) and the Palace, which relates to the globe-trotting nature of the search for "V." and the historical chapters.

"They had detrained at Bellinzona..." (Against the Day, pg. 665).

Gravity's Rainbow : The novel often depicts characters, particularly in the "Zone" (post-WWII Germany), navigating the territory around Aachen. The city itself and its historical significance (Charlemagne's capital) are crucial to the sense of historical layers Pynchon uses.

"Twas Stonehenge, absent 'Bekah and Moon-Light" (Mason & Dixon, pg. 749).

"Now there was a sun-shower over Valletta, and even a rainbow." (V., pg. 424).

"...Confinement in the Tower..." (Mason & Dixon, pg. 193).

"Stations one by one entered the past. The Semmering tunnel, the Mur valley, ruined castles..." (Against the Day, pg. 811).

"Hunter... had decided to go along as far as Salzburg." (Against the Day, pg. 736).

"Mason and Dixon, each revisiting The Rabbi of Prague for his distinct Reasons..." (Mason & Dixon, pg. 685). Also others, including Shadow Ticket

"Let him stand at last in the Octagon Room, and shiver in the height of Summer." (Mason & Dixon, pg. 437.)

"...born by the current flowing out of Lake Baikal, north into the beating heart of shamanic Asia." (Against the Day, pg. 775).

"They had left the garden and were strolling across the bridge toward the Murgasse..." (Against the Day, pg. 808).

"Derek... picked up on the highway between here and the Grand Canyon..." (Vineland, pg. 361).

"The Zombini Residence... which Luca had chosen for its resemblance to the Pitti Palace in Florence..." (Against the Day, pg. 351). Also V. (quote needed.)

"'Damme,' he mutters into the Wind down from Black Head..." (Mason & Dixon, pg. 318).