The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

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

A beautiful 62-acre Catholic shrine and botanical garden.

This shop for all your super spy needs hides an educational secret.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Continuing the tradition of the dime museum in style.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

The site of the climactic scene from the classic horror film is now a historic landmark.

A submerged archeological park still holds the wonders of a Roman Sodom.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

The atmospheric road was never meant to be so creepy.

Eighteen miniature death-scene dioramas.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The seamy, underground secrets of Portland's criminal past.

Staves, storm-calling, and of course, necropants.

Famously misunderstood wonder of the ancient world

Fine dining in the bizarre world of Lewis Carroll.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

This shop specializes in oddities and Victorian-inspired wonders.