This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

Beirut's thinnest building was the result of feuding brothers.

Northern Ireland's Brobdingnagian stepping stones.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

A collection of old neon signs from all over Poland line a secluded courtyard.

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

The site of one of the largest prison escapes of World War II.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

Amid the rubble of Aleppo's Old Quarter, part of a historic market has been restored and re-opened.

One of the oldest and largest castles in the world.

Ruins of the Crusaders' headquarters.

A little slice of Japan and its aesthetics in London's Holland Park.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

Only a handful of these gorgeous historic waterwheels remain but even those are in danger from local unrest.

The patch of land below the memorial was gifted by the British to the United States.

The world's second-tallest flagpole stands proud despite dropping rank.

A building facade covered with the statues of 11 giants of Tajik literature.

18m long sarcophagus of a constantly growing dead prophet.