A public urinal so pretty, it was declared a national monument.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A rare example of World War I trenches from the British front.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Elaborate tile work in this railway station tells the story of Portugal.

The fairy tale castle of the "fairy-tale king."

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A typographic tribute to the many comedic greats who make Great Britain laugh.

Historic medieval fortified city in southwest France.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

The ruins of the "20-year town" lay out among the mountains of Alberta.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.