The massive white mound and accompanying water terraces are a striking geological oddity.

A two-way chairlift system between Zugliget and the highest point in the city.

The remains of a 13th-century Romanesque church lie abandoned on a hillside.

One of the biggest Buddhist stupas in Europe, hidden from most locals.

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

An unmistakable facial pareidolia in the Julian Alps also includes a fantastic tale.

"Bangkok's Green Lung," a large park on an island, feels worlds away from traffic-choked Sukhumvit Road.

One of Ayutthaya’s most iconic locations is a mysterious, hauntingly surreal miracle.

A spherical "micro-nation" in the heart of Vienna.

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

Baroque celebration of the end of the Great Plague of Vienna.

A silly medieval mural preserved on the side of a Viennese house.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

This long-abandoned village sits across a narrow gorge from a still-inhabited settlement that was once its twin.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

Pompeii's less famous neighbor is still revealing her secrets.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

This Renaissance palace features a unique architectural design and is now home to the Ferrara National Art Gallery.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

A scene from one of Hungary's most famous novels.