A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

Luxembourg's most popular statue since 1923 has been missing for... 26 years!

Christ's blood allegedly preserved in a Belgian town.

A little sculpture with a large wardrobe.

Brussels' favorite peeing boy has a sister.

This demon atop the Notre-Dame de Paris looks utterly bored.

This saucy statue once caused outrage among locals.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

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

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

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

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.

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

Every equinox this Maya pyramid puts on a spooky ancient light show.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

A colorful square marks the heart of the city's LGBTQ community.

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