This former coal gasification plant found a curious second life as a popular public park.

Deep into the lower floors of Pike Place, find a date with fowl fate.

A wall of chewing gum moonlights as collective art.

This working class sculpture pounds his hammer all the livelong day.

This cheese shop also houses a museum devoted to Dutch dairy.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

The history and future of cannabis.

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

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

A sculpture serving as an homage to Pope John Paul II.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

Built by a king and rebuilt by an emperor, this aqueduct transported water for 1,200 years to this ancient Mediterranean hub.

Tel Aviv's popular neighborhood went though endless waves of transformation.

Ozymandias’ time-keeping temple.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

At 207 feet, one of the world's longest continuous escalators.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The romance of early commercial flight still fills this Art Deco destination.