This Toronto garden collects stares and tchotchkes in equal measure.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This stunning concert hall has become a symbol of Iceland's national recovery.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Copenhagen's celebrated theme park and gardens.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

Swedish skyscraper with a 90° twist.

This chimerical bridge/tunnel appears to dead end right into the sea.

An underground city of salt.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

A luxuriant botanical garden below sea level.

A Circus legend leaves an unexpected endowment.