I always loathed him. I had a lady pal whose good friend was the widow of a Chilean minister under Allende. The former minister, a foe of Pinochet and an opponent of foreign investment in Chile, was blown up while driving along Washington’s Embassy Row. My friend despises all things Kissinger, who helped usher in Pinochet’s dictatorship.

Three days were not long enough. Nevertheless, when I had an opportunity to visit Buenos Aires, Argentina, I jumped at the chance. As soon as I climbed into a cab, I was immediately awestruck by the city’s wide boulevards, grandiose monuments, rolling parks and distinctive neighborhoods of somewhat faded glory.

There’s actually a few things that most people don’t know about BA. Here 10 really interesting ones: (1) Buenos Aires has an official tea time – much like the UK. (2) Tango (declared an intangible cultural heritage by UNESCO) originated in brothels surrounding the city and the moves are meant to dramatize the relationship between a prostitute and her pimp...

How often do we wander new territory, or even revisit places we’ve trod before, wishing we had a better sense of place we’re walking through, of its interesting backstories? After Groupon parted company with its co-founder Andrew Mason, Mason decided to liven up walking explorations throughout many of the world’s great cities with downloadable audio tours.