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

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

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

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

The celebrated eyesore created by starry-eyed sweethearts.

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 Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Thousands of acres of beautiful wild landscape in the Great Basin.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

An exotic wildlife habitat right off The Strip.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Quite simply the largest tree in the world (by volume).

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

There's nothing creepier than a cemetery next to a clown motel.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

An errant donkey ushered in a new era of mining in Nevada.

Only intact Ichthyosaur skeleton in the United States.