A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

An ancient octagonal weather station named for the eight Greek gods of wind.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A lush green oasis in the middle of Chicago.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

This half-ton piece of the Alps sits at the base of the CN Tower.

The giant birds honor two native North American species.

This urban oasis is a marvelous meld of music and landscape architecture.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

The oldest landmark of Toronto is a testament to shifting sands.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.