A spiritual vortex among the red rocks in Sedona.

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

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

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

Some of the earliest leaders of the Moravian congregation are buried here.

The Great Fire of London and the regulation of one-way streets both started in this alley.

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

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

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.

A wonderfully preserved example of London's 1960s-style high-density, low-rise public housing.

A plaque pays tribute to the artist's longtime London home.

Visit on a Sunday morning to see some killer tricks.

This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

This London marker celebrates the spot where the world-famous English band was founded.

London's amazing modernist public square that never was.

Historic church where a number of Shakespeare's actors are buried.

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

These marks in Myddelton Passage aren't your run-of-the-mill vandalism, and they weren't made by your typical vandal.

This medieval church tower has maintained its clockworks since the 16th century.