That's called the "Torre de Belem."  The guidebook says it's "a curious little fortress put up between 1514 and 1520, and today one of Lisbon's most recognizable symbols." 

There it is without Bill in the way.

Lyn's buying trinkets.

Here's  the Padrao dos Descobrimentos (Monument to the Discoveries).  That's Prince Henry the Navigator standing on the prow.

Boats.  Portugal has lots of boats.

The pavement is doing the wave

Prince Henry leads the Portuguese explorers into the unknown

A big bridge across the river Tejo.  Originally it was named for the dictator Salazar, but after the revolution in 1974 it was renamed the Ponte 25 de Abril.

A view of the waterfront from a walkway over the road.