Guided rafting trips from one day to two-week expeditions are fantastically exciting; try local outfit Tatshenshini Expediting.

Anthropologist Wade Davis and river advocate Robert F. Kennedy Jr journey down the Colorado River on a two-week expedition to highlight water conservation issues.

Answering such questions is a fundamental goal of this two-week expedition, which began Oct. 9.

The remains were discovered in June 2006 during a two-week expedition led by Dr. Hurum of the Natural History Museum at the University of Oslo.

Rathbun, unable to identify the shrew, went on a two-week expedition with Rovero in March 2006 to search for specimens of the shrew.

Their division sponsors an annual two-week expedition to Africa.

On a two-week expedition to a desert region, we'd have to provide two hundred pounds of water for each man.

In 2009, the group participated in a two-week expedition to the Canadian High Arctic to assess the effects of climate change on the region and its inhabitants.

In 1994, in a two-week expedition, the company succeeded, its robot surveying a blur of scattered parts on the ocean floor.

In Summer 2010, a two-week expedition led by a student along the south coast of the UK reached Dartmouth in fairly challenging weather.