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

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

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

The commemorative stone column conceals a secret laboratory.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

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

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

Collection dedicated to brands, packaging and advertising.

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

Journey through this open museum where even employees remain true to period.

The longest and tallest aqueduct in Britain can actually be sailed across.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Rome’s legendary peephole vista is also a former Crusader stronghold.

The yawning maw of this pagan visage is said to bite off the hands of liars.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

Cozy basement bar sports an inventory of over 2,000 beers.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

Brussels' favorite peeing boy has a sister.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

A little sculpture with a large wardrobe.

Theme park featuring miniature replicas of European monuments.