Go inside to really appreciate this 500-year-old technological masterpiece.

Macabre astrological automaton clock dating to the late 1400s.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

Abandoned ship reimagined as a street art canvas.

Largest lake in Great Britain measured by surface area.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Giant, friendly pelicans in Central London, the most unlikely of places.

Eighty million natural history specimens call this gargantuan museum home.

A contemporary art installation housed within a Gothic cathedral.

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

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

A Gothic cathedral created from volcanic rocks.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.