The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Over time, this castle grew to encompass the entire island.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

This massive subterranean fissure is known as the "underground Grand Canyon."

A miniature train-ride through Slovenia's largest cave system.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

This narrow fjord-like bay is the largest ria in the Mediterranean Sea.

Island wonderland for communist autocrats.

With its mine closed, this old village is starting to resemble a ghost town.

A crumbling World War I fort that is reached through a series of concrete tunnels.

Colorful power station with a chimney equipped with a gallery for exhaust monitoring equipment.

A public work of art that also provides some relief from the summer heat.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

A British plaque explains that a house was built using the spoils of the first international golf bet.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

This unassuming shed was the stage for a monumental event in British history.

The first Chinese student to graduate from a European university.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Neon artworks light up this dark Edinburgh tunnel.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

A thought-provoking outdoor art installation sits in the seat of German law.