An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

This giant sculpture made of trash is a critique of society's wastefulness.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The arching stretch of London's longest street holds many reminders of the area's maritime past.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

This London marker celebrates the spot where the world-famous English band was founded.

This tribute to the fictional detective stands at the famous literary character's address.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Inspired by Thomas Stothard's painting of the "Journey to Canterbury," albeit with Canterbury natives.

This statue honors the groundbreaking writer for being the first female to support herself solely through her writing, as well as her time as a spy

A wonderfully eccentric Victorian-era museum and library.

One of England's most famous churches hides a pair of little known architectural treasures.

A defensive structure built during the Hundred Years War has remained useful in one way or another for nearly 700 years.

This skewed English house has looked like it's going to fall over for centuries.

A set of medieval stained-glass windows tell the gruesome story of a Viking siege.

An impressive armored bronze effigy marks the tomb of one of the medieval era's greatest warriors.

Hidden in the courtyard of the Victoria and Albert Museum is a little-known tribute to two celebrity pooches.

University City's quirkiest resident lives in a park named after its first.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.