This third-generation institution is one of the last in London that still cures its own salt beef for epic sandwiches.

The commemorative stone column conceals a secret laboratory.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

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

The monster at the center of the Darwin Center Spirit Collection.

Repository for more than 22 million pickled specimens.

Life-sized bronze statues of fictional puppet characters.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

The largest mosque in Germany.

This cemetery features modernist statues as strange as its name.

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

Turntable anonymously received orphans, alms, and groceries.

This Funeral Hearse Museum represents the finest in cadaver transportation.

A collection of birches from across Sweden.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

The apartment where Pippi Longstocking came to life.

This historical manor is complete with a magnificent garden.

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

The skeleton of a whale that beached itself in this Irish town is now on display in their public park.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

These engineering masterpieces are a dominant feature of the Belfast skyline.

This hidden museum examines the complex history of the country's law enforcement.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.