Modern commuters still pass through this 2,000-year-old Roman archway.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Rimmed by white crusts of salt on every edge, Lac Assal is one of the saltiest bodies of water in the world.

In the 19th century, this pit housed a fully grown black bear for the entertainment of visitors. Today there is a sculpture in tribute to the poor creature.

This stucco building in North Africa was the first American-owned property on foreign soil.

An island on the Venetian Lagoon hosts this stone chair that has nothing to do with the King of the Huns.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

This historic home of the author of Lawrence of Arabia, has a history of literary celebrities and monogrammed sleeping bags.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

An 18th century monument regularly tagged with unsettling graffiti referencing a 1940s unsolved murder.

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

Surreal riveted sea forts once protected the Kent shores from German attack.

This crumbling folly looks like an enchanted left over from Middle Earth.

A witch wreaks ruinous revenge on this ancient church with her "enchanted leg."

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Site of the first hot air balloon flight conducted by the first English balloonist.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

One of Europe's oldest libraries.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.