In 1869 Goodyear traveled with Friedrichs to Syria and Cyprus, then spent 1870 in Venice and Pisa where he studied the Leaning Tower of Pisa.
Tahun 1869 Goodyear pergi bersama Friedrichs ke Suriah dan Siprus, kemudian tahun 1870 di Venesia dan Pisa di mana ia mempelajari Menara Miring Pisa.