It certainly looks like Prince Harry and Meghan Markle are having a whale of a time on their first overseas royal tour together.

And now Prince Harry can tick climbing the Sydney Harbour Bridge off his bucket list, too.

SEE ALSO: This clip of Prince Harry laughing at Meghan Markle will make you love them even more

Prince Harry opened the fourth annual Invictus Games by climbing Australia's Sydney Harbour Bridge — which measures a whopping 134 metres (439 feet) high — to raise the tournament's flag.

He was accompanied by the Australian Prime Minister Scott Morrison.

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Harry looked pretty fearless during the rather steep climb.

Tweet may have been deleted

Tweet may have been deleted

Let's get a look at what Harry's climb looked like from afar.

Prince Harry is 4th from the right. Credit: Karwai Tang/WireImage

Here he is on top of the bridge.

Don't look down, Harry. Credit: Dominic Lipinski - Pool/Getty Images

Let's hope he's not afraid of heights.

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