A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Pyongyang’s Arch of Triumph is the second tallest triumphal arch in the world.

One of the largest public squares in the world, named after the former DPRK supreme leader.

A vast museum devoted to North Korea's victories against its imperialist enemies.

A highly symbolic tower in honor of Supreme Leader Kim Il-sung's personal philosophy.

A symbol of the Workers' Party of North Korea.

Captured in 1968, the Cold War spy ship is the only U.S. Navy vessel being held by a foreign government.

A giant bronze monument to Kim Il-sung and Kim Jong-il is one of the most sacred sites in North Korea.

Described as "the world's most blinging pool."

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.