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.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

One of the world's tallest flagpoles.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Medical and zoological curiosities for sale.

An alley covered with 20 years of bubble gum.

This zoological museum began as the first great curiosity cabinet.

The 1,000-year-old abbey is the birthplace of modern musical notation.

This uniquely designed bridge served as the city gate for Comacchio.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

Everyday, fans from across the globe visit the statue of one of the greatest Formula One drivers in history.

An extraordinary collection of 18th century anatomical waxworks.

The wreckage of a tragic plane crash is on display at this museum devoted to a famous Italian conspiracy.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

A beloved local artist has been honored with this statue of a man emerging from a toilet.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

The only place where can you share a seat with the bums of the Fab Four.

Peeing dogs guard the Roman hunting goddess atop a fountain at France’s Château de Fontainebleau.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

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

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.