This ordinary street was made infamous by a legendary visit from the devil.

The world's first combination ski slope and power plant.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A trail weaves through the verses of a poem illustrated by stone sculptures inspired by Native American pictographs.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

A monument to the love people have for their pets.

A shining, cold, black organ lies in San Francisco's financial district.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

More than 700 species live within this murky marvel of a swamp on California's coast.

An abandoned Cold War missile radar site.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Elaborate series of tunnels where traces of mass suicide are still visible.

A floating cat sanctuary on an Amsterdam canal.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A bit of retro transportation flair preserved in the world's largest department store.

An artist's cute bronze subway sculptures belie his violent artistic past.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

The beauty and the beast of hydraulic mining is on full display at this California Historic State Park.