Video ClipsSee all »
Underwater explorers led by Robert Ballard have released images of a sunken Nazi U-boat submarine off the coast of Texas in the Gulf of Mexico. The 22 (more…)
01:20 — On the Nautilus, Professor Robert Ballard takes 60 Minutes to see what he describes as a national park of the underwater world.
01:46 — NMAAHC founding director Lonnie Bunch shares a rare photograph of abolitionist leader Frederick Douglass taken during the 1850s.