The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

The absurd creation is a compulsory destination for selfies in Buffalo.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

Inside this Krakow church, an explosion of psychedelic color.

Real bones which are said to have belonged to a Polish dragon.

This 13th century Gothic brick castle is the largest in the world by surface area.

This imposing 20th-century castle was abandoned before it was ever completed.

A World War II torpedo launch station abandoned off the Polish coast.

A haunting deserted hotel is a favorite with artists and photographers.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

This Communist-era residential block is one of the longest residential building in Europe.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

This antique thermometer honors the creator of the first universal temperature scale.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

Modern art commemorates one of the first military actions of World War II.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

The site of the first battle of World War II.

An underground city of salt.

This man-made mound monument was built out of soil from all across the Polish empire.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.