Other

There are 15 bikes here (2 groups). You need to smash 25 of them to complete the daily #Forzathon challenge "Parking Ticket". Easy way to do this is to switch to Horizon Solo, smash some of them, rewind and smash them again.

There are quite a few of them scattered around the dunes. You need to smash them for "Light the Beacons" challenge (Series 3 - Winter) or for "Another One Lights the Dust!" accolade (Evolving World).

You need to discover this giant christmas tree in Guanajuato to complete "Your Presents is Required" accolade (Evolving World).

The starting point for the "Taking the High Road" accolade (Festivals / Horizon Apex Outpost).

You need to find it for the #NEONNIGHTS Photo Challenge (Midnight at Horizon).

One of the places where you can find the picnic tables needed to complete the "One of the places where you will find the picnic tables needed to complete the "Sandwich" #Forzathon Daily Challenge.

There are 5 snowmen in the crater. Two near the houses and three more near the larger lake (one of which is on a mountainside). You need to smash them to complete the seasonal accolade "Mazda of all Trades". The fastest way to destroy 25 snowmen is: Go to the volcano, find a snowman that registers for you, switch to solo mode, hit the snowman, rewind and repeat.

Note #1: One of the ways to respawn snowmen is to visit & enter the festival site. It is said that visiting one of the houses also works.

Note #2: Make sure it's your car that hits the snowman and not, for example, some rock.

Note #3: If your accolade is bugged, I mean if you have completed other challenges (Christmas Trees or Candy Canes) and the game shows 0/25 of them, then just quit the game and start it again and it should fix itself.

You need to smash 20 solar panels for the "Shocking" #Forzathon weekly challenge.

You need to smash 15 of them for collectibles challenge "T-Rex On the Run" (Series 6 - Winter). The best way is to switch to Horizon Solo mode and use the "rewind method".

There are 4 traffic cones at each of the four entrances to the stadium. You need to smash 5 of them for the "Open Road" daily #Forzathon challenge.

Around here you can find some carts after smashing which you can get the Cart Wheels skill.