Remnants of the Nazis' occupation of Denmark linger along the sand.

Inside this museum, visitors venture through ghost stories entrenched in Icelandic folklore.

This abandoned, partly demolished building is now home to beautiful graffiti and murals.

This rustic, flower-lined pathway once had very little in common with its namesake.

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

The rubbery beast is sculpted from recycled materials.

Tucked away down this Baytown alley exists a one-of-a-kind art exhibit of technicolor umbrellas.

Just outside this metal recycling center stands a prehistoric creature composed of scraps.

An artist's whimsical transformation of everyday objects.

This unique bridge has been a staple across the Saskatchewan River Valley for more than 100 years.

This outdoor library provides around-the-clock access to around 7,000 books.

The tiny, studious rodents greet visitors to the National Archives of Finland.

This roadside attraction in the woods of Mississippi is a scalable replica of the Holy Lands during biblical times.

A giant milk bottle from the 1930s beckons drivers to this diner.

The bank's whimsical shape was inspired by a child’s toy.

History is on display in this hall, which has served as the seat of city government for centuries.

Toss a Frisbee through the ruins of this Colorado gold mining town.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

Poetic, metallic giraffes adorn a square off an Edinburgh thoroughfare.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

Often mistaken for an office building, inside this venue is an amazing collection of Native Alaskan art.

Once a kitschy symbol for a gift shop, this 38-foot seahorse is now a staple roadside attraction.

An ornate Buddhist temple located in an Atlanta suburb, built by and for the Laotian community.

This "living building" on Georgia Tech's campus is home to a blueberry orchard, honeybees, and more than 900 solar panels.