By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The second oldest continuously operating bar in Louisiana.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The remnants of a creative early method of wildfire prevention.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

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

A giant open-air sculpture made of over 200 full-sized boats.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

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

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

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

Portugal's National Pantheon has a history of curses, collapses and financial problems.

The best place in the world to buy tinned fish.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

Swedish skyscraper with a 90° twist.

This chimerical bridge/tunnel appears to dead end right into the sea.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

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