Campers Jai Chablat-Yates and Georgia Silverman duel with foam swords at Brownstone Books' Camp Half-Blood in Brooklyn's Prospect Park. Margot Adler/NPR hide caption

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In 1983 Issac Bonewits founded Ar nDraiocht Fein: A Druid Fellowship, which pushed for a public tradition of Neopagan Druidry. Ava Francesca hide caption

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The cover of a book shows a photograph by Danny Lyon Collection of Civil Rights Archive/CADVC-UMBC, Balitmore hide caption

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A player holds two petanque balls. The game originated in France and resembles Italian bocce ball, but New Yorkers of all nationalities and professions gather in Bryant Park to join in the game. jimd_stock/iStockphoto hide caption

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An opponent of a proposed Islamic cultural center near Ground Zero shouts his opposition during a community board meeting in lower Manhattan in May. Chris Hondros/Getty Images hide caption

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Stacks of books sit ready for thriller aficionados convened in New York for ThrillerFest 2010 — a four-day genre geek-out for writers, aspiring writers, and fans. hide caption

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Nina Pike sits at one of the street pianos and improvises a piece. Margot Adler hide caption

itoggle caption Margot Adler