Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

A unrivaled and rather horrifying collection of wax dermatological models.

The history of radiation is on safe display at the foot of a radiation science laboratory.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

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

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.