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

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

This bridge was constructed from the rubble of the infamous Bastille.

One of Jeff Koons’s largest sculptures and his first commemorative work.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

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

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

A surrealist timepiece by the artist of melting clocks.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The narrowest street in Paris.

This modest marker near Notre Dame identifies the very center of Paris.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

Three plaques mark the spot where the "forgotten father of broadcasting" worked.

It took years to decode its mysterious messages.

It is locally loved and ridiculed for literally looking like poop.

This 252 step staircase offers stunning views of San Jose.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

An ode to one of the first concerts broadcast via satellite.