This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

A brutalist gem towering over the heart of Milan.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

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

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

Steadily reminding Czechia of its past.

Countless grotesque faces stare out from this eerie Prague art wall.

This controversial monument was designed to lionize the Red Army, but also disheartened the Latvian people.

These seaside shelters once enjoyed by royalty remain a part of local history.

These shopping center benches are actually a modern art installation.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

A roadway designed for a visiting monarch.

An old tram depot transformed into a vintage car paradise.

The largest of London's subterranean rivers and once a mad, bad center of London life.

This doorless 20th-century elevator doesn't stop or slow down.

A bit of retro transportation flair preserved in the world's largest department store.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

A permanent exhibition honors Queen, which recorded seven albums at the casino-based studio, including “Under Pressure” with David Bowie.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.