L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This cheese shop also houses a museum devoted to Dutch dairy.

A boardwalk winds through this sliver of coastal nature hidden within Sydney.

This 18th-century former mosque held the first Hellenic Parliament.

Enormous sandstone towers loom within a Czech forest.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

The busy transport hub is home to the tallest airport slide in the world.

The location of this historic castle was inspired by a donkey.

Legend says this rock was once a chopping block for public executions.

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

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

Wooden sleds have replaced donkeys to cart goods around this utterly charming car-free village.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

Ancient human remains unearthed around the iconic monument.

Where condemned pirates met their grisly end at the gallows on the River Thames.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This mundane post marks the old location of the city's main postal hub.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

A series of playful yellow penguins share a serious message about the environment.

This towering church is home to a world-famous organ and a treasure trove of medieval art.