Organisms normally seen under a microscope decorate this church.

A cemetery in the Netherlands honors Soviet soldiers from World War II.

The most playful of the life-sized statues that make up Singapore's "People of the River."

Singapore's oldest Hindu temple.

A WWII-era Soviet submarine offers visitors a glimpse into Indonesia's naval history.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A beautiful maze marks where three countries meet.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

Baroque celebration of the end of the Great Plague of Vienna.

Legends surround an ancient tree trunk riddled with nails for good luck.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

A non-stop elevator ride in Vienna's city hall.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

The largest fountain in Bratislava.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

An unconventional memorial to the women burned as witches in Bratislava.

In an area known in Bratislava’s postal history, this sculpture sits equipped with a functional postbox.

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

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

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

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