"I guess a sightseeing cruise is the least I can do, since you put that idea of a cosmic keel into my head!"

In the 1890's, a boat taking 20 tourists on a sightseeing cruise hit a submerged dock, killing nine.

Weather permitting, take a sightseeing cruise on the River Main (www.primus-linie.de).

Aboard the sightseeing cruise, you'll travel in comfort and style past London's world-famous landmarks.

All three ships are available for sightseeing cruises.

Further crossings followed in rapid succession as the Seabees made their task appear to be little more difficult than a sightseeing cruise.

There is also a sightseeing cruise on Saturday afternoons, departing at 2:30; the price is $12.

Several local companies include a pass by the cave in sightseeing cruises from April to September.

The company also operates sightseeing cruises and fishing charters.

Two travel companies are offering sightseeing cruises along Russia's inland waterways this summer.