Birkhat haGomel (Blessing of Gratitude) is commonly said after recovering from serious illness or delivering a baby, but can also be recited in appreciation for completing a dangerous journey. It's usually recited in a group of at least 10 other adults who can offer the response.
First, one person offers this blessing:
Baruch ata Adonai, Eloheinu melech ha-olam, ha-gomel l’chayavim tovot she-g’malani kol tov.
Blessed are You, Lord our God, ruler of the world, who rewards the undeserving with goodness, and...