Climb to the top of its spiral spire for spectacular views of Copenhagen.

A symbol for the opposition to nuclear power around the world.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

A sharp bend in a dramatic river canyon cut through red rocks.

Most-visited and most-photographed slot canyon in the American Southwest.

One of the largest festivals of flowers in North America takes place, appropriately, in the Flower City.

Rochester's signature culinary delicacy.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This restored house is like a time capsule of the president's unconventional inauguration.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This private residence was the template for one of the most beloved television homes of all time.

A 125-meter long "tribute to the Brazilian people."

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

An early 20th-century bullring converted into a modern shopping center.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.