This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

This monumental fountain has moved around the city multiple times.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

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

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

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

A sculpture in memory of a homeless man much loved by the city of Parma.

A monument to one of the greatest matadors of all time.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

A 16th-century Andalusian palace.

Spain's largest bullring offers a unique glimpse at architecture and history.

An eerie collection of the surviving structures from a past celebration of the future.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

The final resting place of the great navigator, or maybe his brother.

The world's largest wooden structure.

A Spanish town built into the cliffs.

The hidden ruins of an old hydroelectric plant reclaimed by nature.

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 New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

Abandoned museum from the last days of Soviet domination, with a unique Brutalist design.

In the garden of a Georgia museum, without any explanation, is a monumental head of the Communist icon.

A massively oversized measuring tape sculpture sits inside a hidden yard.

This small island, a byproduct of 19th-century canal construction, is now home to a charming Japanese garden.