World's largest bell sits on the grounds of the Kremlin in Moscow.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

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

Impossibly life-like natural history models created out of glass by a father and son.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.