These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The Great Fire of London and the regulation of one-way streets both started in this alley.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

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

A colorful square marks the heart of the city's LGBTQ community.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

Paris' linguistic guide to the international language of, yes, love.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

The bronze uniforms commemorate the vital role of women during World War II.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A unique tribute to the millions of animals who served and died for the British military.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

Ship-sized kinetic sculptural fantasy.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This Underground station has been a popular filming location for decades, even before it closed.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A tribute to an explorer and naturalist often overlooked by history.