Here you can see the world’s first Passive House, a Passive House with four units in Darmstadt-Kranichstein, Germany. One end row house is used as an example in the tool PHPP PHPP – Passive House Planning Package.
Another well documented and monitored example for Passive Houses can be found in Hannover-Kronsberg, Germany. These 32 row houses in Passive House Standard were described in the European project CEPHEUS (Cost efficient Passive House as European Standards): Download project report “Climate Neutral Passive House Estate in Hannover-
Kronsberg: Construction and Measurement Results” (pdf; 4.54 MB )
Passive House Building Database
iPHA provides a map of Certified Passive House buildings on record here.