An abandoned 1930s gas station turned bustling neighborhood park.

A cobblestone alley with an interesting past.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

Originally the home of chewing gum mogul William Wrigely Jr, it is now the official offices of the Tournament of Roses.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

Sports history, made in the Arroyo Seco.

Pasadena glamour turned government issue.

Located close to a movie studio lot, this restaurant has a long history of star-studded patronage.

World-famous, Pink's still manages to keep its prized cult fetish status.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

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

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

A 220-foot deep watery drop-off, filled with marine life.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

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

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

The prototype for all Nazi concentration camps.

A fearsome dragon clings to a corner of Munich's city hall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Archduke Ferdinand II's collection of rare objects is considered one of the oldest museums in the world.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.