A museum wholly devoted to juvenescence.

This one has sailed five times as far as Sir Francis Drake's famous ship.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

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

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

English antique dealers with a taste for the unusual.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

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

Catacombs turned marketplace.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

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 largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

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

A fantastic Christmas tradition where defecation meets the manger.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

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

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.

Turntable anonymously received orphans, alms, and groceries.

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.