This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

The Great Fire of London and the regulation of one-way streets both started in this alley.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

An amazing example of early-20th-century architecture, this church features marble transported from Utah.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This museum is dedicated solely to this millennia-old handheld cooling device.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Historic church where a number of Shakespeare's actors are buried.

Climb inside an iron crystal magnified 165 billion times its normal size.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

The most southern point you can drive to in the Western Hemisphere.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.