This embalmed man is one of the best preserved mummies from the Canary Islands.

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

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

A tiny chapel perched along a 14th-century bridge.

Stockholm's narrowest alley is barely over two feet wide.

The official meeting point for the oddly named governing assembly of ancient Sweden.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

The first thermometer made with the almost-universal temperature scale is backwards.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

Special benches that play Chopin's music are scattered throughout his native city.

The phone booths in this English town have distinctly milky hues.

A lush indoor jungle fills this bustling Madrid transportation hub.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."