Modern art commemorates one of the first military actions of World War II.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

This antique thermometer honors the creator of the first universal temperature scale.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

The stunning interior of this Gothic church is covered in ornate gold details.

Preserved baths in a Victorian-era spa town frequented by the most famous people of its day.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

This unusual 7th-century Frankish seal offers more questions than answers about its past.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

One of downtown Berlin's last reminders of its Communist past.

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

All that remains of the only English cathedral destroyed in the Protestant Reformation.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

Catacombs turned marketplace.

The old tradition of drying laundry on poles in the public green is still guaranteed by Glasgow city law.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.