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.

Barcelona recorded its hottest June in over a century, the summit of Paris' iconic Eiffel Tower was closed to visitors and hundreds of French schools shut Tuesday as Europe sizzled in its first major heat wave of the summer.

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.