CHAPTER I
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DEPARTURE FROM VIENNA.--FRANK'S LETTER.--A FAREWELL PROMENADE.--FROM VIENNA TO CRACOW.--THE GREAT SALT-MINE OF WIELICZKA, AND WHAT WAS SEEN THERE.--CHURCHES AND PALACES UNDERGROUND.--VOYAGE ON A SUBTERRANEAN LAKE. 15
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The Boy Travellers in The Russian Empire: Adventures of Two Youths in a Journey in European and Asiatic Russia, with Accounts of a Tour across Siberia, Voyages on the Amoor, Volga, and Other Rivers, a Visit to Central Asia, Travels among the Exiles, and a Historical Sketch of the Empire from Its Foundation to the Present Time
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DEPARTURE FROM VIENNA.--FRANK'S LETTER.--A FAREWELL PROMENADE.--FROM VIENNA TO CRACOW.--THE GREAT SALT-MINE OF WIELICZKA, AND WHAT WAS SEEN THERE.--CHURCHES AND PALACES UNDERGROUND.--VOYAGE ON A SUBTERRANEAN LAKE. 15
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