The oldest housing complex in Riga is a mini timeline of architectural trends.

A black cat protests the City Guild in Riga's Old Town.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

A recreation of the bar from the classic 1942 movie “Casablanca.”

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This is the birthplace of Vlad the Impaler Vlad III Dracul.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

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

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

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."

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

This living legend of maritime history is enjoying a second life.

The world's largest frame offers spectacular views of the city's past and present.

One of the world’s largest suspended aquariums, located in Dubai Mall.

A fitting attraction for the corn capital of the world.

Miraculous tree that seems to sprout out of solid rock.

One of the smallest towns in the United States.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

One man's quest to save his town with a trail of record-breaking sculptures.

Just a man taking his prehistoric pet for a stroll.