Home to the world's oldest functioning orrery.

A uniquely preserved neo-Gothic church that is now home to a collection of art and woodcarvings.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

Europe's first floating restaurant is home to a hilarious legend.

This vast collection of smoking pipes from across the world spans centuries.

The mirrored section takes the shape of Hebrew characters when viewed from above.

This unusual elevator doesn’t stop or slow down.

The attic of a four-century-old canal house hides a clandestine church.

Amsterdam's former hotspot for public executions and dissections.

A beautifully eclectic mix of architectural styles.

A grassy pyramid named after a French battle.

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

This museum offers a journey back to the Belle Epoque era of Romania.

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

This shuttered power plant is now Turkey's first industrial archaeology museum.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

Large miniature theme park with 100-plus models.

A meow-velous tribute to a beloved street cat, made famous on the internet.

Step back in time and witness the fall of Constantinople.

The eclectic home of a leading Turkish architect is a gorgeous piece of eye candy.

Byzantine emperors ruled, lived, and died in this 13th-century palace-turned-museum.