Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

A whimsical bridge adorned with decorative dragons.

The home of Greece’s national poet sits crumbling in the middle of a popular tourist district.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

Where commuters walk through remnants of an ancient Greek necropolis.

Large collection from the 3rd millennium BCE.

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 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 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.

This building featuring Brutalist architecture has a rich media production history.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

Visiting this café is like visiting the Austrian grandma you wish you had.

This former insane asylum now holds a pathological anatomy museum.

Macabre museum devoted to historical Viennese murders.

These relics of the city's past now exist as a prominent modern feature.

A magnificent collection of imperial armor and weaponry.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

An exquisite Baroque church in Vienna's old town.

The solemn exterior conceals an opulent interior of this 17th century church.