An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This stone tower was built to protect Crete from incoming pirates.

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

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

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

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

The hairpin turns in this mountain road take the shape of a letter—is it a coincidence or a symbol of love?

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

The world's most active stratovolcano is almost always erupting.

A quiet Sicilian village is home to a cafe that had an important role in "The Godfather."

This bronze boy sits on one of Capri's rocky cliffs, waving at the passing boats.

This clifftop arch is a natural stunner.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The large fjord lake is thought to be the home of "Ogopogo," a giant sea serpent.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A small Canadian town founded as a refuge for Loyalists following American Independence.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

Fossils, railroads, and waterfalls!

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.