2-Hours Private Guided Tour During the 2-hours version you have a guided walking tour in Frankfurt Old Town, see Romerberg, Old St. Nicholas Church and Frankfurt Cathedral. 3-Hours Private Guided Tour During the 3-hours version you have a guided walking tour in Frankfurt Old Town, see Romerberg, Old St. Nicholas Church and Frankfurt Cathedral, also Alte Oper and Eschenheimer Turm. 4-Hours Private Guided Tour During the 4-hours version you have a guided walking tour in Frankfurt Old Town, see Romerberg, Old St. Nicholas Church and Frankfurt Cathedral, also Alte Oper and Eschenheimer Turm. Additional visit at Goethe House. 6-Hours Private Guided Tour Full 6-hours exploration with a private guide in Frankfurt Old Town, see Romerberg, Old St. Nicholas Church and Frankfurt Cathedral, also Alte Oper and Eschenheimer Turm. Additional visit at Goethe House. Boat cruise is included in this option. The tour is led by guides speaking in their chosen foreign language.