The length of specially designed ship provided plenty of up-top deck space for viewing.

Of course, there had to be a castle.

Entering the gorges ...

This cave was an unsuccessful hiding place for at least one ancient general

This was one of the few other vessels we saw on the water.

There were tunnels for trains ...

... and for roads.

Leaving the gorge.

Our rooms were quite roomy and comfortable.

... but we spent much of this day on top or on our adjoining balconies.

When it was built, nunnery was quite cloister. Take a look close up.

A cliff-side monument for an ancient king. Take a closer look.

Jack got a closer look at one of our fellow travellers

What's left of an ancient Roman road.

As we neared the "Iron Gates" (locks) traffic got heavier.

We wait to go through the locks ...

... in the locks ...

guided flawlessly, here and throughout the trip by our great captain.

Waiting for the locks to fill ...

and out.

Our wonderful guides: Radu, standing, and, l to r, Monica, Reka and Tatjiana.