San Francisco Bay's ghost town.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A giant chess set, minus the psychedelic drug trip.

The headquarters of a secretive order is also a beautifully-designed park.

An extensive collection of ancient Egyptian artifacts and mummies.

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

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Da Vinci's equestrian statue, 500 years in the making.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

The giant skeleton sculpture is surprisingly well-traveled.