Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

An artist's mausoleum with a haunting echo.

In downtown Oslo, a menacing and terrifying relief clings to a church wall.

Thousands of miniature bronze sculptures have taken over this city square creating a unique art installation.

An "evil painter" included pointed symbols in this artwork to poke fun at members of the Danish Parliament.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

Once a meeting point for great thinkers, and the midpoint of the country.

A former smithy turned cultural hub with the capital's largest mural space.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

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

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

Visit the ancient, mysterious Roman catacombs ... in the Netherlands.

This historical Netherlands fortress still bears the marks of its single siege.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

Cuba's historical trains remind natives of their country's sugary sweet past.

A bronze sculpture of Lenin’s likeness outside Havana surrounded by 12 human figures in solidarity with the Bolshevik Revolution.

A Spanish-style estate that has traded black ties for rock concerts.

Castro's communist ice cream mothership has been serving five-scoop "salads" for over 50 years.