These legendary stone steps were once used to haul coffins up the rockface.

One of the few places where you can visit a cenote and Maya ruins at the same time.

This muddy wooded valley and the ancient structures it hides are said to be the favored haunt of the legendary Friar Tuck.

This 19th-century island fort built to protect against an invasion by sea.

Artists have long been drawn to these atmospheric 12th-century ruins.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

This single-track road rewards brave drivers with stunning Scottish scenery.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

It's a mystery how these curious columns wound up in an Edinburgh suburb.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

The farthest northwesterly point of the British mainland is one of the most remote places in the Scottish Highlands.

A winding cave grotto walkway built to provide employment for veterans after World War I.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

This petite cutlery factory sits on the foundations of a defunct gasworks.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

At night, the enormous sculpture looks like a UFO hovering above the English hills.

These giant sculptures are supported by a bizarre menagerie of feet.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

Nestled atop a wind-swept crag in the Scottish Highlands is a lonely memorial to a beloved hiker.

A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

Claude Monet immortalized this medieval bridge in two of his paintings.

A relic of Victorian grandeur hides beneath a busy South London road.