St. Mary Axe (above) is a medieval church in the City of London that still stands today, blending seamlessly with the modern buildings surrounding it. The church gave its name to a street of the same name, which links Leadenhall Street with Camomile Street and Houndsditch. No. 30 was the location of the Baltic Exchange until it was destroyed by an IRA bomb in 1992; the Exchange is now located at No. 38 just to the north of its former address. On the site of the old Baltic Exchange now stands 30 St. Mary Axe, a skyscraper known colloquially as The Gherkin because of its distinctive shape. Continue reading for more.