This fortress was designed to prevent a Nazi invasion but was never used.

This ten-ton fruit sculpture celebrates the Finland homeland.

The world's first invisible city square is an homage to a man who pushed the boundaries of art.

A commemorative plaque at the door pays tribute to an "American Patriot" known for his betrayal.

These lights mark the area of Rotterdam that was bombed and burned in 1940.

This controversial monument was designed to lionize the Red Army, but also disheartened the Latvian people.

This colorful and quirky set of pegasus sculptures celebrate the works of poet Zbigniew Herbert.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Visitors can sit and study the board with this Estonian chess legend and International Grandmaster.

These shopping center benches are actually a modern art installation.

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

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

Small Easter eggs are hidden in the ventilation holes of the city's newest trains.

This controversial statue once honoured a Russian Field Marshall, before ultimately being dismantled in a push to remove symbols of Russian influence.

Legend has it that seven Anglo-Saxon kings were coronated on this stone, located in the appropriately-named town of Kingston.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The beautiful baroque library of the Hapsburg empire.

The former headquarters of history's oldest megacorporation.

This hidden art nouveau gem was designed by an architect in search of a national style.

This almost a century old piece of architecture had been overlooked by most, except for the drunk and the homeless

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This grubby wall is said to be one of the Earth's esoteric energy centers.

Czech architects borrow from the nest design of the stork to revitalize a farmstead, hoping to inspire the same loyalty the birds had shown.

Once home to artillery, this garden offers more peace today than it did during its war-torn past.