The Atlas Obscura Guide To Mosman

2 Cool, Hidden, and Unusual Things to Do in Mosman, Australia

Updated June 19, 2026

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Unusual Attractions in Mosman

Georges Head Battery

Mosman, Australia

Georges Head Battery

The yawning remains of a complex naval fortress still haunt this Australian shore.

The flag of the Principality of Wy.

Mosman, Australia

Principality of Wy

A micronation in the suburbs of Sydney

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Beehive Casemate sandstone tunnels

Sydney, Australia

Beehive Casemate

A defensive fortification carved into a cliff near Sydney Harbour.

1 mile from Mosman

The Lex and Ruby Graham Gardens

Sydney, Australia

The Lex and Ruby Graham Gardens

This secret Australian garden was built on love after a man planted a random bulb he found in the ocean.

1 mile from Mosman

Wendy’s Secret Garden.

Sydney, Australia

Wendy's Secret Garden

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

2 miles from Mosman

Mrs. Macquarie’s Chair In Sydney Botanic Garden

Sydney, Australia

Mrs. Macquarie’s Chair

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

2 miles from Mosman

Sydney, Australia

Midden

In the shadow of the Sydney Opera House, Indigenous ingredients shine.

2 miles from Mosman

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