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

New Orleans' famous cemetery, located on the site of a former race track.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

When the public was consulted about a new piece of street art, they naturally asked for an enormous metal dragon.

Follow the original medieval paths that wind through this intriguing section of the city.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

Be on the lookout for the symbolic insect all over the city.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

The Tudor-style cottage in the middle of the square is not quite what it seems.

Modern commuters still pass through this 2,000-year-old Roman archway.

An Old West film set seen in countless TV shows and movies is open for the public to explore.

The beautiful, fruit-covered facade hints at this building's former life.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.