In the Manduri reserve of Sao Paulo, you can see the endangered black-horned capuchin monkey up close.

You don't have to be a diplomat to visit the so-called Camp David of the West.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.

An otherworldly alpine pasture with its own unique microculture that recalls Middle Earth.

A little-known museum of Ancient Roman and Ancient Greek artifacts.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

An isolated island home to one of the oldest English-speaking communities in the region and Maryland's state dessert.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Following years of secrecy, the hidden history of a World War II site is being brought to light.

Spend the night in this formerly abandoned traditional Scottish village.

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

These hellish-looking cliffs in the Canadian Arctic have been burning for centuries.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

This lonely tomb is all that remains of a once-bustling ancient trade hub visited by Marco Polo.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

This spectacular mosque houses the second-largest chandelier in the world.

The decaying remains of a once-luxurious Soviet spa town.

The first (but not only) upside-down house in Germany.

This building’s ghostly exterior reflects its former lives as a prison, school, and funeral home.

The world's seventh-largest coral reef contains an incredible amount of biodiversity.