Places twoplusthree Wants to Go

More than a million titles fill the labyrinthine shelves of this prestigious private library.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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

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

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

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

Internet rumors, often involving Icelandic singer Björk, have abounded regarding this isolated outcrop of rock.

A network of underground water channels that dates back to the Middle Ages.

Australia's largest medical museum featuring a 19th-century pharmacy.

A distinctive monument for this former world champion takes the form of a billiards table, complete with balls and cue.

A massive metal lobster welcomes tourists to a roadside restaurant.

An exquisite tunnel of cascading flowers.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Not a single witness can attest to the creation of the world's largest geoglyph.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

A rare chance to enter an original gold mine from the 1800s.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

One of the best beaches in the entire world.

Prehistoric park filled with the fossils of dozens of extinct species including Australian megafauna.