This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

A mysterious artist-run cabinet of curiosities and library.

The breadfruit-adorned final resting place of the infamous Captain of the HMS Bounty.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

This South London cemetery holds the remains of more than 15,000 people.

One part local history, 99 parts gruesome haunted house.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

A jumble of treasures in a small space, this old-fashioned local museum is full of surprises.

A wonderfully eccentric Victorian-era museum and library.

An impressive armored bronze effigy marks the tomb of one of the medieval era's greatest warriors.

Colorful and chaotic stacked hotel in North Holland.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

The world's only museum devoted to the wonders of fluorescence.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Cat art as far as the eye can see.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

Experience what life was like in Ireland during the Viking and medieval ages.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The house where the writer spent his formative years.

These haunting ruins belong to an ancient village that once had one hell of a view.