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."