Bird dung painted this huge boulder which in turn inspired the name of a city.

Decorated by local artists, the city's utility boxes have become three-dimensional canvases.

A controversial blue hoop has been puzzling freeway drivers since 2013.

With its webbed walls and bright red coloring, Calgary's iconic bridge looks like a finger trap puzzle stretched across the river.

This half-ton piece of the Alps sits at the base of the CN Tower.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

This igloo-shaped landmark in Iqaluit serves as the seat of the Diocese of the Arctic.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

The third version of this tall sailing ship sits, rusted and burnt, in Lake Ontario.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

Where animatronic singing fish go to retire.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A semi-scholarly approach to sex.

Mysterious meeting place for UFO hunters near Area 51.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

This vintage animatronics show is the Vegas version of a walk through the woods.

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

An eatery for UFO seekers on the Extraterrestrial Highway.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.