An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A historic freight system that found the true gold rush is in tourism.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

Macbeth's infamous "Great Birnam Wood."

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

One of Ireland's most infamous prisons for rebels including men, women and children.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

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

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

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

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.