The only gulag ever to exist in socialist Yugoslavia.

The remains of a sunken military ship wreck visible through clear water.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

Swedish mice can dine at the Nuts of Life restaurant or take a date to the amousement park.

These coffin-like Brutalist balconies were inspired by a nearby mine.

A replica of the beloved character's house, modeled after the author's own drawings.

The world’s largest knitted mitten is displayed in one of Sweden’s smallest Arctic villages.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

This Scandinavian island is the site of the first modern observatory.

This cobblestoned medieval-style town was entirely constructed in the 1990s and 2000s.

Swedish skyscraper with a 90° twist.

According to legend, this boat-shaped henge is built over the grave of a mythic king.

This chimerical bridge/tunnel appears to dead end right into the sea.

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

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

Hamburgers are intensely proud of their tunnel beneath the river.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Once the home of a hermetic monk, this cave now houses a small church.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.