Host Don Wildman visits a London Church, and palatial prison.

Don Wildman examines an iconic wall and statue of a pioneering scientist.

Don heads to a Harlem memorial dedicated to little-known WWI heroes.

Host Don Wildman examines a memorial, iconic structure, and park.

Host Don Wildman investigates a prison fortress and sculpture .

Host Don Wildman examines plaque, visits a gravesite, and explore a tower.

Don Wildman examines a statue, visit a tomb, and Civil War battle site.

Don is in Pasadena to explore the mysterious death of renowned scientist.

Don visits a plaza in Sweden that was at the center of an infamous heist.

Don Wildman examines the 17th century plot that threatened Parliament.

See a 200-foot-tall column that commemorates London's Great Fire of 1666.

Don Wildman examines a bronze sculpture, gravestone, and a tattered brick.

Don investigates a mob informant, a daring experiment and a portrait.

Don examines a famed life vest, a royal pizza oven and a dodgy harrier jet.

Don examines a medal for animals, a heavy-duty drill and a crime magazine.

Don examines a forged diary, the first bicycle and a Biblical miracle.