Scattered throughout London are ancient remnants of the city's former bounding wall.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

A famous burial ground with a history both grim and literary.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

Giant, friendly pelicans in Central London, the most unlikely of places.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Largest lake in Great Britain measured by surface area.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Old Tudor home moved on thick iron rails to a new spot.

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

The beautiful baroque library of the Hapsburg empire.

Cat art as far as the eye can see.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

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

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

2300-year-old Roman road connecting the empire.