An ancient stone fortress considered by many to be the eighth wonder of the world.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

A daily pyrotechnic celebration marks a beloved tradition during Valencia's festival season.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

This North Korean pegasus statue was built as a symbol of the speed and perseverance of North Korean workers.

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

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

An English brewery transported to North Korea.

A former palace transformed into a mausoleum for North Korea's supreme leaders.

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

A symbol of the Workers' Party of North Korea.

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

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.

This abandoned-looking amusement park is frighteningly open for business.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This charming candle shop has been in business since 1789.

The world's oldest bookshop still in operation.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborate tile work in this railway station tells the story of Portugal.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.