Astoria

John Jacob Astor and Thomas Jefferson's Lost Pacific Empire: A Story of Wealth, Ambition, and Survival

2014

At the Mercy of the River

An Exploration of the Last African Wilderness

2005

Driving to Greenland

1997

Gallop Toward the Sun

Tecumseh and Harrison's Struggle for the Destiny of a Nation

2023

Last Breath

The Limits of Adventure

2001

Ring of Ice

True Tales of Adventure, Exploration, and Arctic Life

2000

The Last Empty Places

A Past and Present Journey Through the Blank Spots on the American Map

2010

The Lost Cities of El Norte

Coronado's Quest, the Unconquered West, and the Birth of American Indian Resistance – A Narrative History of Exploration, Conquest, and Resistance

2026