This painted blacktop brings the classic arcade game to life.

Three small rooms at the back of the “official” church of London's clowns.

A perfect replica of the beloved show's first set.

The Belgian library displays burned books that were salvaged from the fires of both world wars.

The last four extravagant street signs of London's historic banking street.

The world's first and only three-segment bascule bridge folds up into the shape of a capital "N" to let boat traffic through.

A hidden tunnel of bones in one of Malta's oldest churches.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

Hidden dwellings in the cliffsides of North Togo used by local Moba tribes to evade 18th-century slave traders.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

These lesser-known Maltese catacombs date back over 1,700 years.

When this Iron Age bog body was discovered in 1835, it was thought that she had died recently.

Iron Age "bog person" preserved for over 2,300 years.

This hidden green space is the city's second largest conservatory.

A small museum contains one of the largest collections of ethnic and traditional headgear in the world.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

The last permanent exhibit dedicated to the Soviet leader.

It was once the base for a series of domestic terror attacks.

This doorless 20th-century elevator doesn't stop or slow down.

An unusual assortment of art, furniture, and other curiosities.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

The ruins of the "20-year town" lay out among the mountains of Alberta.

A hub of information on tropical diseases and their treatments.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.