Destinations Along the Way 1 Heiligenkreuz Austria The world's oldest active Cistercian monastery (1133) with the largest True Cross relic north of the Alps. 2 Sonntagberg Austria Austria's national Trinity shrine on a 712-meter peak, with Daniel Gran's magnificent baroque frescoes and sweeping alpine views. 3 Annaberg Austria Austria's first St. Anne pilgrimage, with a Gothic masterpiece and imperial Habsburg relics since 1217.