Serbia Bird, Peaceful + Winter Pictures

• Europe
• World

Tour the gates, tunnels, ramparts and museum of this imposing 17th-century citadel, which hosts an annual music and arts festival.

Straddling the shores of the Danube, this welcoming riverside city features a fascinating collection of beaches, parks, pavement cafés and religious landmarks.

Walk or bike across this region of rambling forested hills to visit ancient monasteries, postcard-perfect villages, tranquil lakes and vineyards.

Walk or bike across this region of rambling forested hills to visit ancient monasteries, postcard-perfect villages, tranquil lakes and vineyards.

Straddling the shores of the Danube, this welcoming riverside city features a fascinating collection of beaches, parks, pavement cafés and religious landmarks.

Straddling the shores of the Danube, this welcoming riverside city features a fascinating collection of beaches, parks, pavement cafés and religious landmarks.

Straddling the shores of the Danube, this welcoming riverside city features a fascinating collection of beaches, parks, pavement cafés and religious landmarks.

Wander along the park paths and encounter possibly the world’s largest pride of white lions in one of Europe’s oldest zoos.

Tour the gates, tunnels, ramparts and museum of this imposing 17th-century citadel, which hosts an annual music and arts festival.

Tour the gates, tunnels, ramparts and museum of this imposing 17th-century citadel, which hosts an annual music and arts festival.

Wander along the park paths and encounter possibly the world’s largest pride of white lions in one of Europe’s oldest zoos.

Walk or bike across this region of rambling forested hills to visit ancient monasteries, postcard-perfect villages, tranquil lakes and vineyards.

Tour the gates, tunnels, ramparts and museum of this imposing 17th-century citadel, which hosts an annual music and arts festival.

Tour the gates, tunnels, ramparts and museum of this imposing 17th-century citadel, which hosts an annual music and arts festival.

Wander along the park paths and encounter possibly the world’s largest pride of white lions in one of Europe’s oldest zoos.