This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The beautiful baroque library of the Hapsburg empire.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

Pop culture has helped to keep this iconic British building from being destroyed.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This landmark cemetery in Boston was created more than 300 years ago.

The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

A 200-year-old collection of oddities and medical paraphernalia.

Largest lake in Great Britain measured by surface area.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

The heads of two giant mythological water horses honor Scotland's horselord past.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This enchanting hill is home to fairy lore and a sinister local mystery.

Scotland still bears an enormous scar of its Roman past.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."