Well-preserved, still-functional sliding wood doors from Ancient Rome can be found in this Vesuvius-stricken house.

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

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.

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

French sculptor Paul Moreau-Vauthier transformed the site of a 19th-century massacre into a haunting memorial.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This medieval castle was reconstructed by Carlo Scarpa.

A gorgeous example of 13th-century Gothic architecture.

Atop the former site of a historic bakery sit two stone tributes to Verona's contribution to traditional Italian baking.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

Pilgrimage site for star-crossed lovers.

Built by George III to observe the transit of Venus, this Georgian gem is a unique survivor in the Arcadian landscape of Richmond upon Thames.

This site was once home to Henry VIII and Elizabeth I.

This red light district plaza memorializes the Fab Four and their historic connection to the area.

The cutest way to stay safe in traffic.

In 1988, jazz legend Chet Baker fell to his death from a window of this hotel facing Amsterdam Centraal.

A beautifully rebuilt windmill from the 17th century, situated along the Amstel River.

This pub has roots dating back to 1430 and serves as the setting for multiple Charles Dickens stories.

The shiny silver little brother to Copenhagen's Little Mermaid statue.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

This risqué sculpture, based on a Hans Christian Andersen fairy tale, caused outrage 35 years after it was erected.

This colossal hiking boot, once built for a scout jamboree, serves as an observation tower and barbecue area.