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

A lush oasis full of vibrant plants and striking geometric displays.

An enormous goose sits atop this nest-shaped home.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

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

The sumptuous ceiling was one of the last things Charles I saw before his execution.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

A little slice of Japan and its aesthetics in London's Holland Park.

A market built atop boats is one of the few floating holiday markets in Europe.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

By public opinion, this is Canada's knottiest tree.

An abandoned Art Deco hotel nestled on the side of a wooded mountain.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

Ruins of a 13th-century fortress perched above a breathtaking Mediterranean bay.

This unique religious structure is an architectural gem with arresting ocean views.

This 16th-century house tells the city's history through old artifacts and quirky tales.

The New Central Library is a masterpiece of contemporary architecture in the midst of downtown Calgary.

This Portland Art gallery doubles as a studio that supports adults with intellectual and developmental disabilities.

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

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

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

At this deceptively beautiful beach, nothing is what it seems.

Tucked along a river are enigmatic stone carvings created thousands of years ago.

This magnificent tree towering over the Atlantic rainforest is one of the oldest and largest in Brazil.