Louise Bourgeois' 30-foot-tall steel spider sculpture.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

This inexpensive lodging house was once a prison notorious for its inhumane practices.

This illuminated sign was the first of its kind in Canada and remains a vestige of the Atomic Age.

These prehistoric replicas were based on actual skeletal remains.

This defunct Champlain Oil service station harkens back to the early days of automobiles.

A rare venue to buy specialty maps.

A 1995 memorial acknowledges the tremendous contributions of Vietnamese refugees to Canada.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

These locks on North America’s oldest canal are named after a porcine rock formation.

The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

An underground city of salt.

One of the world's largest amber altarpieces is housed within this reconstructed medieval church.

A relic of Poland's shipbuilding past, reborn as a sky-high lookout.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

For 200 years, people have flocked to this Polish town to experience the healing powers of salt.

Modern art commemorates one of the first military actions of World War II.

The site of the first battle of World War II.