A pair of connected skyscrapers form this symbolic gateway.

A misnamed well, with a deep dark past.

This cheese shop also houses a museum devoted to Dutch dairy.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

This snug medieval lane is one of the narrowest streets in the world.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A whimsical bridge adorned with decorative dragons.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Go inside to really appreciate this 500-year-old technological masterpiece.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

The celebrated eyesore created by starry-eyed sweethearts.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

The magic's in the hole!

Leave a button on the jacket of this iconic Seattle clown.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.