One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

These 2000 year old remains of a Roman aqueduct are hidden inside a hotel lobby.

Fans have made a utility pole near where the 90s musician was shot into an ersatz memorial.

An exotic wildlife habitat right off The Strip.

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

These banned cigarette vending machines now sell little pieces of pocket-sized art.

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

An enormous illuminated figure dances on the Las Vegas strip.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.