This ancient market is often referred to as the oldest shopping mall in the world.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

Sweden's southernmost point is located in this charming fishing village.

A skeletal collection of former nautical mainstays.

A famed drink seasoned with an amputated toe, now on its tenth digit.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

An impressive museum dedicated to the resource that made the Scandinavian country rich.

Norway's oldest cathedral still in use.

A former factory now pays tribute to a local industry fueled by sardines.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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.

An architect transformed this abandoned cement factory into his castle-like workshop.

A pair of connected skyscrapers form this symbolic gateway.

This art installation pays homage to the famed stones of European lore.

Eighty million natural history specimens call this gargantuan museum home.

Venice's "Island of the Mad."

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

A collection of old steam and diesel locomotives sitting in a fenced-off garden.

A cuddly version of a dark mythological creature now acts as the mascot of a town.

Chelsea's soldiers were given strict orders when crossing this historic bridge.