The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

The zoological collection at the Hessisches Landesmuseum hosts some of the world's oldest habitat dioramas.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

These 2000 year old remains of a Roman aqueduct are hidden inside a hotel lobby.

This store decorated with Japanese and underground pop culture items has been the centre of Barcelona alternative fashion scenes for more than a decade.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Hamburgers are intensely proud of their tunnel beneath the river.

Designed to allow funerals to proceed over the River Dulnain.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

After 800 years, Europe's oldest elm tree has met its end.

Started as a kitchen garden, now the second largest botanical garden in the world.

Northern Ireland's Brobdingnagian stepping stones.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A steam powered train that runs on city streets.

Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

The world's only silo that was topped by two revolving restaurants has unfortunately been demolished.

Fantastic views and thousands of love locks.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.