It houses the remains of a 17th-century version of the Titanic.

Sweden's "good old days" painstakingly re-created in a model village.

A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

An entire shopping mall and industrial terrain named for the time the king of Sweden's car went into a ditch.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

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

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

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

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

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

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

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

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

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.

Two buildings named after their windows that make it look like a sea of television sets plastered to a wall.

A pair of connected skyscrapers form this symbolic gateway.

Considered an architectural abomination by some, this metal-clad building is known as 'little red riding hood' by locals.

Backwards hour and minute hands and a timing mechanism that fluctuates with the temperature led to this clock tower's local nickname.

This dazzling Art Nouveau mansion is now home to the Modern Art Gallery Subotica.

These abandoned vessels are destined to be reclaimed by the forest.

These crumbling Latvian forts make for some haunting seaside ruins.

Guests become prisoners on a visit to Latvian prison.