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

A semi-scholarly approach to sex.

Frida Kahlo's childhood home, now a museum of her life and works.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

The largest collection of two headed animals in the world.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Mountain where Jesus was first tempted by the Devil.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

360° views of the city plus five floors of optical illusions and hands-on science.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Erotic art covers the walls of the largest ancient pleasure palace.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Go inside to really appreciate this 500-year-old technological masterpiece.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This Canadian city is actually two-in-one, even if they only respect the timezone of one side.

This giant roadside goose has been hailing travelers into a small Ontario town for over 50 years.

Possibly the world's largest coin stands just outside of a Canadian science center.

First mosque in Canada, second in North America.

Massive kielbasa stands 42 feet tall and weighs in at 12,000 pounds.

Possibly the world’s easiest Easter-egg hunt.