Rest stops along this pathway offer some of the best views of the Acropolis of Athens.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

Gladiators once walked this ancient, subterranean passage.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

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

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

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

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

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

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

A large portion of this navigable canal runs under Paris's famed boulevards.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.

The Musée Albert-Kahn is a departmental museum in Boulogne-Billancourt, near Paris, including four hectares of gardens, joining landscape scenes of various national traditions.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

Every year, the town of Menton, France, turns lemons and oranges into giant sculptures depicting windmills, dragons, and more.

An underground magnet for ever-changing street art.

Atlanta's strange assortment of concrete pillars inspires reflection in some, confusion in others.

Mai Tais and Navy Grog served up in one of the original tiki bars.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

Suspended from this brewery’s tasting room ceiling is a full-sized fin whale skeleton.