A little sculpture with a large wardrobe.

A bronze statue of the fictional character nicknamed "Mrs. Hat" from a beloved Belgian comedy.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

A huge old mansion full of thousands of toys, each there to be used and played with.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Climb inside an iron crystal magnified 165 billion times its normal size.

A lovely biographical museum in the artist's home of 24 years.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Romania's triumphal arch looks out over Bucharest.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This fresco inside a Serbian cave church has been a source of disagreement.

The ridged layers that make up this river canyon represent Earth's geological history.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

The second-largest Jewish temple in Bulgaria was deserted after World War II, seized by the communist government and then abandoned again.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

Sealing couples' love since just after World War I.

This statue became the mascot of Vrnjačka Banja after Games Without Borders made a stop in this town.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.