Expedition Unknown: Season 13

Hunt for Alexander the Great

49min - Chasing archaeology's biggest prize -- the lost tomb and treasure of Alexander the Great -- Josh dives Egypt's coast, revealing ruins of Alexander's Royal Quarter. Josh tunnels under modern Alexandria, but a water pump malfunction puts everything at risk.

Alexander's Lost Tomb

48min - Spanning Europe and Africa, Josh's chase for Alexander's remains and fortune ramps up. Clues mount in a flooded ruin beneath Alexandria, Egypt. Later, Josh gathers shocking evidence Alexander's body may actually lie in Venice's St. Mark's Cathedral.

Traitors' Treasure of 1776

43min - Josh chases the fortune stolen by loyalists to Britain's crown during the American Revolution. Jumping into two investigations of the infamous Doan Gang, Josh helps dig up a cache of plundered coins. Later, a cave search pinpoints the turncoats' hideout.

Lost Bomber of World War II

45min - Weeks before the D-Day invasion, Britain's Barracuda bomber took out the largest Nazi warship ever built -- but today, not a single Barracuda exists. Josh joins a one-of-a-kind restoration project and searches for wreckage far above the Arctic Circle.

Chasing Africa's Atlantis

41min - Josh dives the waters off Tanzania to find a lost city and its fortunes. From the remote outpost of Zanzibar, Josh searches for ancient shipwrecks. Then, joining an expert team, Josh dives into what could be the walls of a lost city that traded riches.

America's MIA Heroines

43min - In World War II's closing days, 18 American servicewomen were lost off the Ivory Coast. Armed with new technology and fresh insights from the crash archives, Josh joins Project Recover to guide the search for the heroines' lost C47 plane.

Expedition Unknown S13 Trailer