Two gravestones clasp hands over the religious divide.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

China's most famous acrobatics act.

The wartime boat shelter now doubles as an underground concert hall where musicians play on rafts along the waterway.

Hundreds of large Russian nesting dolls decorate this square, and the largest is a functioning hotel.

Thousands of locks professing undying devotion line the metal chains of Lotus Peak.

The tiny statues form China's only known terracotta army from the Han dynasty.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

Carved fountains poignantly placed in parks and in front of special monuments.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

An industrial relic is now one of Europe's most staggering art spaces.

What was once a unique system of urban elevators is turning into a mechanical ruin.

A small plaque highlights the damage caused by German air raids during World War II.

This stone harbor was key to Carnlough's limestone industry.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

A Baroque mansion with ties to legendary magicians and alchemists.

The rusted creatures wait to be discovered in Prague's botanical garden.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

Outside the Missouri Quilt Museum, this large spool has more than one million yards of thread—and counting.

This museum located in the "Corn Cob Pipe Capital of the World," chronicles the history of cob pipe.