Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

There has been an astronomical clock on this spot since the 14th century.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

Home to items never before seen by the public.

At 207 feet, one of the world's longest continuous escalators.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

A museum that houses the world's largest collection of ventriloquism dummies.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A church of bones, decorated with 40,000 human skeletons.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."