A public work of art that also provides some relief from the summer heat.

A whimsical bridge adorned with decorative dragons.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A cemetery for Slovenian notables also serves as a popular recreation space.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

Underneath one of the region's most historic roads lies the home of Plato's successor.

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

This striking sculpture of Icarus honors Greece's fallen flyers.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Where commuters walk through remnants of an ancient Greek necropolis.

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

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

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

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

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

The remains of an ancient settlement in one of the oldest archeological sites in South America.

A turquoise lake within a volcanic crater.

Home of the "true" equator.

This Ecuadorian cemetery is home to a jaw-dropping topiary wonderland.

Massive volcano in the Andes is the farthest point from earth's center.