Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Charnel house at the foot of Mount Sinai.

A grassy pyramid named after a French battle.

For years, the remains of this ancient Roman fortress were hidden under an orchard.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

Atop this former dutch railway office sits an interstellar work of art.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

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

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

Giant, friendly pelicans in Central London, the most unlikely of places.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

It is against the law to obstruct the view from the top of this English burial mound.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

These small, triangular, colorful houses are a staple of Madeira Island.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Paris' linguistic guide to the international language of, yes, love.

France's national museum of scientific and industrial instruments.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Amsterdam's former hotspot for public executions and dissections.