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

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

A memorial to a dog that inspired rioting in the streets of London.

This one has sailed five times as far as Sir Francis Drake's famous ship.

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

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A museum wholly devoted to juvenescence.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This network of narrow, medieval passages has the most delightful name.

The final resting place of soldiers' loyal canine companions.

Stonehenge has nothing on Castlerigg’s views.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Protecting the dead from opportunistic body snatchers.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

This secluded walkway overlooks a magnificently wild London green space.

Ship-sized kinetic sculptural fantasy.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

Follow the original medieval paths that wind through this intriguing section of the city.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A sweet symbol marks the place where torturous executions were once carried out.

This luxury shopping lane has been protected by its own tiny police force for over a century.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

A scattered trail of street art adds a pop of color to the city's stark structures.