Be on the lookout for the symbolic insect all over the city.

Once used to protect important Roman trade routes.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Over 70 independent businesses have set up shop in this former Victorian department store.

When the city of Manchester built a new centralized heating network, they did it with style.

This 15th-century church was once described as the ugliest in England.

Eyam took steps to quarantine themselves and keep the plague from spreading.

The phone booths in this English town have distinctly milky hues.

The world's longest continuously running show has played at this small West End theater since 1974.

This 1920s Dutch barge is now a floating bookstore.

These planks were originally installed to hold the dead.

The location of the last witch trials of Italy, known as "The Salem of Europe."

Five candy-colored villages on the Italian Riviera.

Fortified medieval tower house with lovely roof garden.

Visitors dip into a variety of pools of what was once ice.

The last bastion of Roman presence north of the Alps looms over a German town.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

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

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.