The narrowest street in Paris.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The celebrated eyesore created by starry-eyed sweethearts.

This emotive sculpture was originally created for the 1878 World's Fair.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This bridge was constructed from the rubble of the infamous Bastille.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

This Parisian café sticks almost exclusively to an ethos of reuse.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

This rocky outcrop served as a quarry for some of the bluestones that sit at the center of Stonehenge.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

A Neolithic tomb hidden among a spectacular boulder-strewn stretch of coast.

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

Several land speed world records were shattered at this Welsh beach.

A Neolithic burial tomb connected with a colorful array of legends.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

Rare collection of medieval books under lock and key.

The largest known medieval map of the world.

The only medieval bridge in Britain with its defensive tower still in tact.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.