The remains of the great moral philosopher reside in a university in London.

One of the oldest remaining Catholic churches in England is home to the hand of a 7th-century saint.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

This overlooked street light once served as a KGB dead letter box.

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

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

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

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

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

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

These legendary stone steps were once used to haul coffins up the rockface.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Commemorating the spot where the famous scientist fed his pigeons.

New York's oldest magic store.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

Elevated freight railway turned wildly successful urban park.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A terrific purveyor of natural history objects and curios.

Try not to get slimed in Tribeca.