Art and a pun, all in one.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

An eerie, derelict amusement park in Berlin.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

A historic building houses one of the most important archaeological institutes in Europe.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

A sharp sculpture made of thousands of pieces of jagged glass.

This small chapel holds the mummified heart of one of the heroes of the Greek Revolution.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

This seaside sanctuary was once one of the most important religious sites for women in ancient Greece.

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

Where the lovelorn find a home for their sentimental keepsakes.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

A two-way chairlift system between Zugliget and the highest point in the city.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

If your school was decorated with trippy graffiti, served ambrosial coffee, and was frequented by mimes, it might have been similar to this groovy cafe.

A giant scrawl on the skyline of south London.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.