A historic Montreal market that was the city's agricultural hub for over century.

This nomadic monster has divided opinions as it prowls across Canada.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

Site of the 1889 murder-suicide of crown prince Rudolf and his lover Mary Vetsera.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

The solemn exterior conceals an opulent interior of this 17th century church.

A small island dotted with old, historic Finnish buildings.

The gargoyles and grotesques of the 21st century are here—22 emoji built into a new building in the Netherlands.

This imposing tower named after the mythical sword of King Arthur is considered the tallest freestanding climbing wall in the world.

The world’s first interactive human body museum also serves as a chair for a giant orange man.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

This unattributed sculpture in Amsterdam is hiding in plain sight.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

Continental Europe's only museum devoted to salt and pepper shakers features more than 20,000 designs.

Two large posteriors in one giant statue.

You can soak in three relaxing pools filled daily by the tide.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

The unexpectedly beloved remnants of a controversial thermal power plant.

Rumors and legends of secret Nazi activities surround this eerily remote island mansion.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An archaeological treasure trove towers over the valley of Chiavenna.

These pools have been abandoned for over 20 years.

The former home of an Italian artist is now a shrine to his ambitious works.