An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

Its collection includes a broad array of social, geographic, graphic design, and political history.

This London plaque marks the spot where David Bowie's famous alien made his debut.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

Read a book next to a Midtown waterfall.

60 feet of towering steel balances gracefully.

The blinking light atop the iconic landmark has been sending secret messages for decades.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

An out-of-place slice of France, smack in the middle of Shanghai.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

The once highest point in China blends symbolic design with a kick of adrenaline.

This working replica of the 'Friends' coffee shop is more accurate to the show than the set itself.