Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

Baroque celebration of the end of the Great Plague of Vienna.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The most loyal of little dogs, or a Victorian era publicity stunt?

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

360° views of the city plus five floors of optical illusions and hands-on science.

Protecting the dead from opportunistic body snatchers.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Largest lake in Great Britain measured by surface area.

An exquisite panometer representing Dresden as it was from 1695 to 1760.

Devastated landscape used for hundreds of years by the Romans as their primary mining site.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Cliffside houses provide a spectacular view from their perch above the valley.

Geological storytelling.

One of the largest caves in the world open to the public.

A fake medieval village in the middle of Turin.

The world's largest wooden structure.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

An ancient Egyptian temple in the middle of Madrid, Spain.

The oldest Roman lighthouse still in use.

A small house in Tazones, completely covered in shells.

This bridge was constructed from the rubble of the infamous Bastille.