Order a salt beef-loaded beigel at any hour of the day or night at this East End institution.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A commemorative plaque at the door pays tribute to an "American Patriot" known for his betrayal.

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

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

Mountain where Jesus was first tempted by the Devil.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

A beautiful but toxic fountain of mercury.

This cemetery features modernist statues as strange as its name.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

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.

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

The little bear in the "funny kind of hat" has made his way from London back to Peru.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

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

Abandoned bull fighting ring, slowly falling apart in Uruguay.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

A 19th-century Baja cantina that many say is the birthplace of the margarita.

The final resting place of 19th-century sailors previously banned from being buried within Portuguese Macau.

Climb to the top of the world's largest seated bronze Buddha.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Once a black market electronics marketplace, now an otaku shopper's paradise.