Twinning.
Use what you know about one city to explore the other one.
Do you know where to find Bloomingdale's of London?
What about the Tate Modern of New York?
Is Williamsburg the Shoreditch, or should that be Tribeca?
Metrotwin makes these cross-references useful. You'll find a small panel and each place's twin at the top right of each recommendation page.
Please suggest new candidates for us to twin using the form on the same page.
