This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The legendary building that needed ghostly approval before being built.

Historic funicular railway, believed to be the shortest railroad in the world.

An islet filled with wooden houses where the open sea meets a lagoon.

The hallucinogenic center of the ancient world.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

One of the world’s longest pedestrian suspension bridges.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

Along the Rhine, about a mile from the historic Munster, learn the heartrending story of two lovers torn asunder, cast into unknown layers of time and space.

This artistic fountain display pays homage to this area's theatrical history.

The secret medieval communication system will whisk your words above the noise of the crowd.

The Hanshin Expressway goes right through its 5th, 6th, and 7th floors.

Solitary monument dedicated to the beauty of nature.

Museum precariously perched on a massive yellow pillar.

This indoor ski resort has a mountain contained inside a mall.

This mesmerizing, colorful structure looks like a tent made from stained glass.

These towering cliffs jut dramatically from the middle of a barren desert.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Despite the groans of archaeologists, this astounding groups of Bronze Age petroglyphs have been painted red for tourists.

An honorary saint of the people, Maria Adelaide became an incorrupt corpse, the clothes intact, exhaling “a strong scent of roses.”