This is a full-scale replica of a complete Stonehenge made from locally quarried Esperance granite.

A metal skywalk leads to the top of this striking granite outcrop in Porongurup National Park.

Wild seas have created two spectacular formations just a stone's throw away from each other.

The longest timber-piled jetty in the world has an underwater observatory.

This work of public art symbolizes the maritime history and the modern creative industry in Fremantle.

The original attack periscope from a 1940s navy submarine towers high at this memorial site.

A massive concentration of algae is responsible for this lake's pink hue.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

This Australian beach is composed of tiny shells.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

An optical Illusion once believed to be an electrical phenomenon.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

You can enjoy a (possibly haunted) stay at the medieval Norman castle that was once a favorite hunting lodge of King John.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

Unusual British home built to disguise a water tower.

The "Prussian Versailles" that is as glorious today as when it was built.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.