Europe's continuing heat wave on Wednesday helped fuel a deadly wildfire in Spain while the European Union presented plans to reduce greenhouse gas emissions under scorching temperatures.

PARIS -- Europe sizzled in its first major heat wave of the summer on Tuesday, as Barcelona recorded its hottest June in over a century and the summit of Paris’ iconic Eiffel Tower was closed to visitors.

As Europe buckles under a punishing heat wave, residents and summer travelers are struggling to find relief. Here’s how and where to look for respite.