Site of one of World War I's most horrific scenes.

A swath of France so devastated by war it is still forbidden to go there.

A neighborhood church's unusual abstract stained glass was the final project of avant-garde artist Jean Cocteau.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Art and a pun, all in one.

This sprawling Jewish cemetery is one of the largest in Europe.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

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

An urban laboratory.

Once a year, at exactly 11:11 a.m., this monument comes to life.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

This small, unassuming street is now a canvas for color and creativity.

The first permanent memorial to a unique secret weapon of World War II.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

This lurid German fountain plots the sad course of marriage from dating to death.

This monument memorializes a violent massacre where colonial police killed 50 striking dockworkers.

Built by Portuguese colonizers, the palace is now the seat of power for the independent nation.

This tiny, tranquil Senegalese island serves as a powerful symbol of the Atlantic slave trade.

Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

A 19th-century architectural masterpiece with ties to Gustave Eiffel.

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

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.