A complicated contraption for telling time by the moon.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A hidden three-foot-wide house separates these two regal churches.

Elaborate tile work in this railway station tells the story of Portugal.

Ancient catacombs form the foundation for this Rococo orgy of a church.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

This former iron ore mine comes alive with fascinating stories of its history.

From this isolated strip of land in Newfoundland, Amelia Earhart became the first woman to fly solo across the Atlantic.

A World War II gun battery sits at the easternmost point of North America.

An old drug store full of mortars and pestles, pill-making machines, and medicines reputed to cure most any illness.

The tiny airport in remote Newfoundland that inspired a hit musical is also a modernist architectural gem.

This huge ship ran aground and has simply been left to sit there ever since.

The second oldest continuously operating bar in Louisiana.

A snapshot of the city's fascinating voodoo culture.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.