Porto Alegre is a nice city in South of Brazil. Two places are interesting: Casa de Cultura Mário Quintana and Centro Cultural Usina do Gasômetro
library(leaflet)
## Warning: package 'leaflet' was built under R version 3.4.4
df <- data.frame(lat = c(-30), lng = c(-51)) #Porto Alegre latitude and longitude
my_map <- df %>%
leaflet() %>%
addTiles() %>%
addMarkers(lat=-30.0308783, lng=-51.2340511,
popup="Casa de Cultura Mário Quintana") %>%
addMarkers(lat=-30.0342847, lng=,-51.2409219,
popup="Centro Cultural Usina do Gasômetro")
my_map