This ancient Egyptian obelisk still bears the wounds of World War I.

These ornate arches show how the course of the River Thames has changed.

The broken skateboards that became a poignant memorial to a murdered skater.

London's smallest police station is barely the size of a phone booth.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

This coffee shop lies hidden beneath a historic church.

The medieval woodcut-style artwork chronicles life in medieval London.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A hands-off space for graffiti artists to hone and display their skills.

London's amazing modernist public square that never was.

The last four extravagant street signs of London's historic banking street.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

Ingenious bakery opens up the first Cupcake ATM at their flagship location in Beverly Hills.

The last of its kind in the country.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Common all over Japan, kōbans are small community police boxes, and now one is guarding one of L.A.’s megamalls.

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

An informal walk of fame in front of a Hollywood office building remembers a comedic great and his associates.

Peek inside Howard Hughes' garage at this Hollywood-themed art installation.

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

Nancy Thompson's Home from "A Nightmare on Elm Street."

This Hollywood dive houses a mural painted by the artists who animated its namesake film.