Today I saw: (Friday, 16 April 2021 near Los Angeles)
Yellow Modified Lamborghini Urus
Crayon Gray Porsche 991.2 GT3
x3 Porsche Taycan Turbo S
BMW M5 F10
Corvette C8 Z51- Acceleration and Launch Control
Corvette C7 Grand Sport

Mercedes Benz G63
Multiple Corvette ZO6's
My second C8 Corvette
2020 Audi R8
A couple of red dodge vipers

One of my better days lol April 17th 2021:

Older Aston Martin Vantage Volante- Black, Mount Vernon, Good Pics
Same Mercedes AMG GTS I always see at CityCenter Resident Parking (saw it yesterday as well)- white, CityCenter, good pics
Older Porsche 911 Turbo- black, K street, good pics
2020 Mercedes G63 AMG and Jaguar F type roadster- G63 white F-type black, Outside some random restaurant on K street, good pics
Aston Martin DB9 Volante- Silver, Outside the Prime Rib on K street, good pics
(Missed) older Porsche Panamera Turbo S- white, Georgetown
Bentley Continental GTC Supersports- all black, Georgetown Four Seasons Hotel, good pics
Bentley Mulsanne- black, Georgetown Four Seasons Hotel, good pics, saw this same car once at CityCenter
Porsche 356 1600 super convertible (don’t know much about these, are they rare?)- red, Georgetown, good pics
BMW Alpina B7- black, Georgetown, ok pics
Chevrolet Corvette pace car?- black with pace car decals, Georgetown, ok pics

Surprised nothing was at the Waterfront.

Yesterday I saw: 4 McLaren 720s all of which I had never seen before, two blue and two black I missed the second black one.
Ferrari 488 spider one white one black both missed.
Ferrari 348 ts I got a really bad photo also had never seen that one.
Aston martin DBS and Vantage.
Ferrari 812sf and 812gts.
aventador svj, aventador s roadster, Huracan RWD spider, Hurcan LP610-4
Rolls Royce wraith.
R8, R8 gt.
Tons of R35 GTRs
AMG GTR, GTS modified to look like a GTR, GTC, GTS.
Also some Bentleys. And I think that is all.
Also a few taycans and GT3RS.

Saturday:

- Ferrari 430 Scuderia (on the road)

Sunday:

- Lamborghini Gallardo LP560-4 Spyder
- Ferrari 458 Spider (no photos)

April 18th 2021:

This was an amazing day :)

Cars and Coffee:

Ferrari Monza SP2- white with blue accents, good pics
McLaren Senna- Black with yellow accents, good pics

On the street:
2020 Bentley Continental GT- white, Tysons Corner Center, ok pics
Lexus LC500 Convertible- purple, Tysons Galleria, good pics
Porsche 930 911 Turbo- black, Tysons Galleria, good pics
BMW I8 Convertible- black, Tysons Galleria, good pics
Porsche Taycan- white, Tysons Galleria, good pics
Lamborghini Aventador SVJ Roadster!- matte gold, Georgetown Waterfront, good pics
McLaren 600LT spider- sky blue, Georgetown Waterfront, good pics, Owner let me sit in it!
Two identical 2019 and 2021 Mercedes G63 AMGs- black, Georgetown Waterfront, good pics
Audi R8- white, Georgetown Waterfront, good pics
Porsche 911 Turbo- black, Georgetown Waterfront, good pics
Another Porsche 911 Turbo (this one was tuned)- silver, Georgetown Waterfront, good pics
Yet another Porsche 911 Turbo (yet again tuned)- black, Georgetown Waterfront, good pics
Porsche 992 911 Carrera with aerokit- black, Georgetown Waterfront, good pics
Porsche 911 GT3RS- red, Georgetown Waterfront, good pics
Brand new Ford Mustang Mach E- white, M street Georgetown, good pics

So yeah, yesterday was insane! Especially the Waterfront in Georgetown!

Saturday:

- Last week's 430 Scuderia. Got a better picture of them.

Blue/Purple MK4 Supra
RHD Land Rover Defender

4X4 squared
Ferrari FF
Taycan
Bentleys
And the McLaren artura at a dealership

EDIT
R35 GTR
C8 corvette

Sunday:

- Ferrari 488 Pista
- Ferrari 458 Speciale Novitec Rosso (miss)
- Chrome Gold Ferrari F12
- Yesterday's Ferrari 430 Scuderia
- Slammed Ferrari F430
- Slammed Ferrari 360 Spider (seen previously)
- Pretty much the Singapore Edition McLaren MP4-12C again
- Lamborghini Aventador LP720-4 50 Anniversario
- Lamborghini Murcielago LP650-4 Roadster (seen previously)
- Lamborghini Gallardo LP560-4 Spider (seen previously)
- Lamborghini Gallardo LP550-2
- Porsche Boxster Spyder
- Porsche 911 991.2
- BMW M5 F90 Competition
- 2x BMW M5 F10
- BMW M3 F80
- BMW M2 (no pics)

Others:
- Jaguar XK8 Convertible
- Nissan 350Z

Yesterday on the highway Porsche 991 turbos s exclusive series only 500 made and I didn't even get a photo.

Nice! Too bad you weren't able to get a photo.

Wow! I looked up what that was and realized I've seen those before (or might've just been a Turbo S with a dual pinstripes).

Today:
McLaren 720s
Mclaren 570s
Ferrari 488 spider
Ferrari 812 sf and 812 gts
Aventador S
Huracan evo rwd spyder
AMG GT R
NSX
R8 Spider
And a few Bentleys and stuff like that.