The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

This early version of the guillotine was used to execute the man responsible for its construction.

A semi-scholarly approach to sex.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

A reminder to choose water over wine since 1888.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

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

Slyly buy a shake in the Parker Meridien lobby.

Elevated freight railway turned wildly successful urban park.

Avoid gangster interaction while window-shopping.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

A tidal bore with its own festival.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

The embalmed remains of the communist leader lie within a custom crystal coffin.

Malaysian fireflies create a dazzling display as thousands light up in unison.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

A 200-year-old collection of oddities and medical paraphernalia.