Yesterday:
White Camaro ZL1
White Cadillac Allante (lol)
Grey Model S
Black Ghibli
Black modded 997 Carrera
Black Model S
Three Buick Cascadas: black, brown, white (favorite spot from yesterday)
Today:
White 997 Carrera GTS (close second favorite spot from today)
Grey 991 50th Aniv (favorite spot from today)
Around fifteen older 911s of various colors and years
Silver 991 Carrera 4S with a duckbill spoiler
Black 997 Carrera
Yellow ZL1
Black RS5
Light blue 356 conv
Grey Model S
White Polaris Slingshot

The cars are coming out :)

Yesterday:
Scuderia
Gallardo Spyder
GTR x5
GT350R x3
SRT Viper GT
348 TS
Evora
Wraith
SLS
DB9 Volante

Today:
Orange 1st Gen Murcielago
190SL

Slingshot SL
@justabimmer
Modded fake M6
M5 E60
X5M

Lotus Eclat
Lamborghini Gallardo yellow
Lamborghini Gallardo red
Ferrari California x5, red, black
Ferrari 458, grey
Ferrari 612, red!
Ferrari 360 Spider, yellow!
Audi R8 x4
Acura NSX
Dodge Viper GTS
Viper SRT10
BMW i8
AMG GTS
Bentley FS
Aston Martin Rapide in Palatine
Maserati Gran Turismo x4
Maserati QP
Maserati Ghibli x2
Bentley GT chrome gold
T-Rex!
Alfa Romeo 4C red!
Porsche 911GT3 maroon
Porsche 911GT3 silver
Jensen Interceptor red
Shelby Cobra x5
This all in the last 24 hours, in Lake Forest, Northbrook, Palatine, Barrington, and South Barrington!

RR Dawn!!!
MP4-12c X 2
R8 X 4
F12
308 X 2
Model X
Huracan
Murcielago SV!
GTR X 7!
Gallardo X 2
AMG GT
Cali T x 2
f430 x 3
360
599 GTB x 2!

Not a bad week

Ferrari 458 Spider
McLaren 650S Spider
Maserati GranCabrio MC
2 Maserati Ghibli
BMW i8
Rolls-Royce Wraith
Mercedes S63 AMG Coupe
Lotus Elise
Lamborghini Gallardo LP550-2
Ford Shelby GT350
Porsche 996 GT3
Audi RS7
Nissan GT-R
Bentley Continental Supersports
Porsche 996 Turbo

Not exactly what I saw today, but here's some 'highlights' from 3 days in Monaco:

Bugatti Chiron (showroom)
Bugatti Veyron Grand Sport Vitesse
Koenigsegg Agera R
2x Gumpert Apollo
McLaren P1
3x Mclaren 675LT
2x McLaren 570S
Ferrari LaFerrari
Ferrari Enzo
Ferrari F40
3x Ferrari 488 GTB
9x Ferrari F12
Ferrari F12 Novitec N-Largo
3x Ferrari 458 Speciale A
5x Ferrari 458 Speciale
Ferrari 430 Scuderia
Ferrari Challenge Stradale
Ferrari 360 Hamann
2x Lamborghini Aventador SuperVeloce
Lamborghini Aventador SuperVeloce Roadster
4x Lamborghini Aventador
7x Lamborghini Aventador Roadster
Lamborghini Murcielago LP640
Lamborghini Murcielago
3x Lamborghini Huracan
2x Lamborghini Huracan Spyder
Lamborghini Gallardo LP570-4 Spyder Performante
Aston Martin DB9 Kahn Vengeance
Mercedes SLR Mclaren Roadster
7x Mercedes-AMG GT S
Porsche Carrera GT Gemballa Mirage
Porsche Carrera GT
3x Porsche 991 GT3 RS
Porsche 997 GT3 RS
Porsche 997 GT3 CS
Porsche 930 Gemballa Avalanche
Ford GT
Ford GT Avro 720 Mirage
5x Audi R8 V10 Plus 2015
Alfa Romeo 8C Competizione
3x Bentley Bentayga
3x Nissan GT-R Nismo

+a sh*t ton of other stuff of course

Saw a Prius revving its powerful 134hp engine next to a 2016 Mustang GT350R today.

Monaco can't compete with that hahah.

Boston Marathon weekend had a lot of great cars!

A bunch of Maseratis, Bentleys, etc.
458
Gallardo
AMG GTS
GT-R
R8 x4 (Including a 2017!)
2017 NSX!
Slingshot x2
Land Rover Defender
Corvette ZR1
Pablo Sandoval's Lumma CLR R
S600 Maybach (I believe it was also Sandovals)
Cali T

Viper and a Porsche GT2

991 GT3
2016 GT350
ATSV

Nardo Grey RS7

Saturday in Charlotte:

Aston Martin DB9 Volante (missed)
Aston Martin V8 Vantage
Aston Martin V12 Vantage S
Audi R8 V10 (missed, seen it before)
Bentley Continental GT/C x2 (no pics)
Bentley Flying Spur
BMW i8 (missed)
Ferrari 360 Spider (no pics, seen it before)
Ferrari 488 GTB!!!
Ford Mustang Shelby GT350 (missed)
Lamborghini Gallardo Spyder (missed)
Maserati GranTurismo/Convertible x3
Maserati GranTurismo MC
Mercedes-AMG GT S x2
Porsche 991 911 GT3 RS!!!
Rolls-Royce Wraith (no pics)
Tesla Roadster (no pics, spotted before)

McLaren 650S Spider
Porsche 991.2 Turbo S Cabriolet
Aston Martin DB9 Volante

Lol, if I owned a GT350R, I'd just drive around at redline every time I saw a Prius.