We don't have an overview of this episode, please check back later.

We don't have an overview of this episode, please check back later.

We don't have an overview of this episode, please check back later.

We don't have an overview of this episode, please check back later.

It is on the shores of the Potomac that a new and mighty nation emerged.

It is on the shores of the Potomac that a new and mighty nation emerged.

We follow the waters of the Buller River on the west coast of New Zealand's South Island.

We follow the waters of the Buller River on the west coast of New Zealand's South Island.

The St. Lawrence River is known as the river that forged North America.

The St. Lawrence River is known as the river that forged North America.

Canada's far northern reaches hold a rough and tumble journey down the Yukon River.

Canada's far northern reaches hold a rough and tumble journey down the Yukon River.

Ireland's river Suir flows with the history of the emerald island.

Ireland's river Suir flows with the history of the emerald island.

We begin our journey down the Guadalquivir, Spain's second longest river, in the Sierras de Cazorla before paddle boarding to the great plains of Andalusia. Cordoba, the water gardens of the Alcazar and Seville are visited.

We begin our journey down the Guadalquivir, Spain's second longest river, in the Sierras de Cazorla before paddle boarding to the great plains of Andalusia. Cordoba, the water gardens of the Alcazar and Seville are visited.