Copenhagen's celebrated theme park and gardens.

A memorial to legendary newsman, publisher, and owner of La Gaceta, the only trilingual newspaper in the U.S.

This mansion oasis contains gardens, sculptures, and fountains just off the busy Plaça Kennedy in Sant Gervasi.

The unexpectedly beloved remnants of a controversial thermal power plant.

An open-air "garden" of mural art that changes weekly.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The little-known second castle that William the Conqueror built in York.

An incredibly well-preserved piece of ninth-century Viking poop.

Makers and sellers of the original and finest York Ghosts.

Follow the original medieval paths that wind through this intriguing section of the city.

These planks were originally installed to hold the dead.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The view that inspired the scenes of Dracula's first landing in England.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A slightly surreal menagerie of structures that were lovingly spared from demolition and reconstructed in a field.

A 19th-century British industrialist built this Louis XIII–inspired chateau for his homesick French wife.

This astronomical clock is the second oldest in England.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.