51.  The votes also pushed the Senate, conducting only the second presidential impeachment proceedings in U.S. history, into uncharted waters.

52.  These are thoroughly uncharted waters.

53.  They have navigated previously uncharted waters with ease, and according to Smith, the Tigers have seen enough to not be fazed by any of it.

54.  These are uncharted waters.

55.  They are in uncharted waters.

56.  To be sure, there are risks when companies charge into uncharted waters, such as the Internet.

57.  Uncharted waters.

58.  Uncharted waters?

59.  Uncertainty about privacy shows how the end of the Glass-Steagall era throws the financial industry into uncharted waters.

60.  We are in uncharted waters when it comes to fighting this war on global terrorism and dealing with the prisoners and traitors.