Fantastic views and thousands of love locks.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Monument that stands 40 feet and weighs 1,000 pounds.

Homage to the local produce now serves as a car dealer.

This giant dish located in a sheep paddock was the primary receiver of Apollo 11 TV transmissions.

Australia's first open air museum and antique 3D theater.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Australia's largest traditional hedge maze features a Great Gnome Hunt.

A youth-centric science center hides an industrial triumph.

This piece of Australian modern art is part joke and part history.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Putt your way around Australia in a black light environment.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

The bullet-banged DIY suit of armour belonging to Australia’s most famous outlaw.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

These mythological giants take time out of their busy day guarding a Victorian market to let you know what time it is.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

The "Prussian Versailles" that is as glorious today as when it was built.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.