The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

A sharp sculpture made of thousands of pieces of jagged glass.

Legend says this sacred tree was a gift from goddess Athena.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

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

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

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

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

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

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

This giant roadside fruit is home to an array of apple-based treats.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

An abandoned 1970s theme park that has been turned into a space for waterfront walking.

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

Canada's oldest sugar maple has been growing since around 1500.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Little remains of the once flourishing Asbestos' asbestos mine.

This crumbling industrial fortress has attracted daredevils, filmmakers, and historians.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.