This millstone commemorates a gruesome tale that may have been the source of the city's name.

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

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Copenhagen's celebrated theme park and gardens.

Site of the first radio and telephone broadcasting companies in Copenhagen.

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

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

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

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

London's smallest police station is barely the size of a phone booth.

The broken skateboards that became a poignant memorial to a murdered skater.

This ancient Egyptian obelisk still bears the wounds of World War I.

The oldest inn in England served brew to the crusaders.

How did a literal hole in a wall become one of the top-rated tourist attractions in this English town?

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This haunting location was featured in the final scene of a classic spaghetti western.

A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

The longest stone bridge in England has an impressive history that dates back over 700 years.

The medieval woodcut-style artwork chronicles life in medieval London.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The Tudor-style cottage in the middle of the square is not quite what it seems.

Tourists who rely on a transit map to find the iconic Beatles location often end up in a far-off neighborhood.