This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A fake Transylvanian castle houses a cathedral of antlers.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

These fantastically named natural pools look like something out of a Scottish myth.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

Sofia's legislative center is continuously reinventing itself.

A striking symbol of the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

This historic black and white monastery is one of Bulgaria's architectural jewels.

Where the sleeping monsters of Scotland's oil industry are left to rust.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

A sweet symbol marks the place where torturous executions were once carried out.

Protecting the dead from opportunistic body snatchers.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

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

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The silly symbol for an underground protest group is now scattered around the city.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.