These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

Bridge that died in war and was resurected.

Carefully reconstructed after the Bosnian War, this 16th-century bridge stands as a symbol of the country's enduring multicultural heritage.

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

An ancient knight and a symbol of the city's freedom.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

The world's largest frame offers spectacular views of the city's past and present.

This indoor ski resort has a mountain contained inside a mall.

Whitewashed mosque contains the world's largest carpet.

This massive piece of artwork weighs more than 250 tons, and was designed as a tribute to the first president of the United Arab Emirates.

This museum offers a glimpse into early 20th-century Glasgow life.

A unique art installation located on what was once considered the widest railway bridge in the world.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This 135-year-old weather station studied the effects of the climate on human health.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

A whimsical bridge adorned with decorative dragons.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

An unusual artwork dedicated to a unique man that entertained people visiting Cambridge while raising money for charity.

Inside this art museum resides one of Glasgow's most famous musical instruments.

The sole surviving medieval street cross in Scarborough.

This unique style of bridge is the last of its kind and runs over the straightest canal in Britain.