At 207 feet, one of the world's longest continuous escalators.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

A British plaque explains that a house was built using the spoils of the first international golf bet.

The world's first experimental nutritionist is memorialized as the "Hippocrates of naval medicine."

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

A six-ton wedding present for the King of the Scots.

The heads of two giant mythological water horses honor Scotland's horselord past.

A scattered trail of street art adds a pop of color to the city's stark structures.

The platform atop this verdant volcano was built with the help of a royal elephant.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Home to items never before seen by the public.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A massive sustainable farm designed by the mastermind behind Central Park.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Largest lake in Great Britain measured by surface area.

After the devastating 2011 earthquake, historic Christchurch begins to recover, starting with the pop-up Re:START mall.