A place to eat for on-the-run agents and espionage enthusiasts.

A curious collection dedicated to human and animal anatomy and pathology.

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

Relive a Polish uprising via an enormous, century-old cyclorama.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Famously misunderstood wonder of the ancient world

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

It's hard to believe the dizzying patterns covering this abandoned mine are completely natural.

A shrine of fire worship built on top of a natural flame.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

On Japan's Tashirojima Island, cats are king.

A magical place that lets you play in and explore the world of Studio Ghibli.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

An exquisite tunnel of cascading flowers.

An acoustic anomaly with a mysterious cause.

A spiral staircase twists to the top of this unusual Czech lookout tower.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Lost subway station nestled beneath Toronto's busy commuter line.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

This scented city oasis was a labor of love.