The original structure, built in 1825, was the only lighthouse in the country to be attacked by Indians.

It is the only lighthouse ever built to this design.

From 1907 to 1912 it was the only lighthouse in the world to be powered by natural gas.

During that time it was the only lighthouse in the world to be powered by natural gas.

It is the only lighthouse on Bornholm that is open to the public, but at irregular times.

It is also the only lighthouse in Queensland to be built of stone.

It is Germany's only lighthouse with a thatched roof.

It is the only lighthouse of four in Oswego still standing.

Today it is the only operational lighthouse with a bed and breakfast.