The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Depending on how it is measured, this lighthouse can claim to be the tallest in Europe and the tallest conventional lighthouse in the world.

Massive galleon from a box-office bomb docked in Genoa.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

A surprising relic of WWII, sitting boldly in a Marseille street.

A building so large that it has its own weather.

The southernmost Anglican cathedral in the world has whale bones standing in its yard.

This historic fort overlooks Montevideo and appears on Uruguay’s coat of arms.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

This plaza at the end of the world teems with monumental tributes to a problematic history, and laser discs.

The southernmost postal office in South America.

A stately palace has been converted into the world's largest cannabis museum.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

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

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

This old-fashioned carhop restaurant gave the world the waffle cone.

The largest underground pedestrian tunnel system in the U.S. mostly caters to the people working in the offices above, but provides a great, air-conditioned way to traverse the city.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

The world's largest public collection of PEZ memorabilia.

In Houston's airport, a cow is properly equipped to jump over the moon.

The only airport with a people mover system designed by Walt Disney Imagineering.

Hidden within a Gulf Coast port city is a wonderfully eclectic museum whose beginnings were housed in a bank window.

An enormous, inside-out glass globe built in 1935.