Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

A spherical "micro-nation" in the heart of Vienna.

The topiary maze at the Habsburg hunting lodge.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The beautiful baroque library of the Hapsburg empire.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

The most northern place on the mainland of Great Britain.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

A close look reveals that the Scottish monument is just slightly off-kilter.

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

This single-track road rewards brave drivers with stunning Scottish scenery.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

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

This Scottish manor house is a lush relic from the life of a literary great.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The final resting place of soldiers' loyal canine companions.

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

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

Largest lake in Great Britain measured by surface area.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.