Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Sip cherry liqueur at a bar dating back to 1840.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This cave complex might provide a link between the Neolithic and the Classical Greek period.

This striking structure, with balconies jutting out like hedgehog spines, combine cutting-edge design with a playful approach to light and space.

An expansive collection donated by an heirless nobleman formed this admission-free civic museum.

When this 400-year-old fountain fell into disrepair, officials covered the mess up with what looks like a giant soup tureen.

The site where the summer solstice helped ancient Greeks sync the lunar and solar calendars.

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

The Acropolis house that became Modern Greece’s first university.

A pre-war mansion that survived the modernization of Athens.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

According to the legend, this structure was built in a single night with the help of the devil.

Ship-sized kinetic sculptural fantasy.

A quirky statue in Bermondsey made by 100 public participants with goggles, chisels, and mallets.

A tile mosaic displaying a saying from the prophet Muhammad presents the mission of Durham University's Oriental Museum.

A rare tobacconist Napoleon statue stands inside York’s medieval guildhall.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

This unassuming bridge is most likely one of Michelangelo's unfinished masterworks.

This is the oldest Roman-made bridge in the city still existing in its original state.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

This curious, round temple is the oldest still-standing marble building in Rome.

A huge enchanting public park just outside the ancient walls of Rome.

The yawning maw of this pagan visage is said to bite off the hands of liars.