17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Historical figures from New York City's Catholic community reside in Midtown.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Elevated freight railway turned wildly successful urban park.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

Secret refuge and museum of the Duke of Florence.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

A six-ton wedding present for the King of the Scots.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

The most loyal of little dogs, or a Victorian era publicity stunt?

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

360° views of the city plus five floors of optical illusions and hands-on science.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Jesus' footprints and the first catacombs in the world.

2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.