5. Lovers' Lane in the Presidio Stephanie Garr/Big & Small Travel Just outside of "Billionaire's Row" is this windy art installment disguised as a natural wonder. Bring your lover (of course) and follow the snaking logs (or take the parallel concrete path) for a short little hike and amazing Instagram opps.
Águeda's Umbrella Sky Project began in 2011 as a part of the Portuguese city's annual Ágitagueda Art Festival. Each summer, when temperatures soar, a handful of Águeda's narrow streets feature canopies of colorful umbrellas that provide shade to the pedestrians below.