This map have some key places for my in the city I live, Quito, Ecuador.
suppressPackageStartupMessages(library(leaflet))
suppressPackageStartupMessages(library(dplyr))
df <- data.frame(lat = c(-0.124582,-0.196649,-0.182915,0),
lng = c(-78.359390,-78.435606,-78.484492,-78.456115))
names <- c("Airport", "USFQ", "La Carolina", "The Middle of the World")
df %>% leaflet() %>% addTiles() %>% addMarkers(popup = names)