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

France's most famous cemetery, with some of its most curious tombs.

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

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The bones of an old zoo crumbling in the shadow of a new one.

This seaside production studio was built to film 'Titanic' and has been the wet set of choice for other Hollywood productions since.

A jewel of the Mexico city skyline now slowly crumbles after surviving an earthquake.

This 80-year old mannequin is so lifelike it is believed to be an embalmed corpse.

Mexico's astounding mummy museum with "the world's smallest mummy."

Frida Kahlo's childhood home, now a museum of her life and works.

These azure waters were thought to lead to the Mayan Underworld.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A science teacher's dream.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

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

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A hugely vast Irish landscape of barren rock that stretches for miles.

The ancient tomb acts as a calendar that keeps perfect time.

An ever-evolving wall of graffiti art off East Liberty Street.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

Astounding collection of coin-operated games and automata.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.