Europe's first floating restaurant is home to a hilarious legend.

The facade of this bank has changed little over the centuries, including its unique welcome sign.

A tribute to the first human in space.

At the base of this tower, a plaque marks the original center point of the Netherlands.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.

A concrete mushroom that divided Stockholm residents for nearly a century.

A condensed piece of China floating in a Dutch harbor.

A line number in Amsterdam that will likely never be used again due to its tragic history.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

This underpass became an unlikely piece of cinematic history after its appearance in 'A Clockwork Orange.'

A large boulder was declared a local landmark by a popular vlogger.

This inn of the court provides a fascinating window into London’s legal and architectural history.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

The gargoyles and grotesques of the 21st century are here—22 emoji built into a new building in the Netherlands.

A giant yellow phallus sculpture hidden in the gardens of the Museum Boijmans Van Beuningen.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

An enormous Polaroid picture adds an artistic flair to Rotterdam.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

Atop this former dutch railway office sits an interstellar work of art.

The last of Amsterdam's original sea level markers remaining in place.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

Of all the houses that grace this neighborhood, only one is a testament to surreal architecture.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.