The library houses an incredible collection of some of the world's most impressive books and manuscripts.

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

Berlin's old airport.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A small museum that celebrates the history and culture of the LGBTQ community in England.

An exceptional assortment of fossils recovered from private collections.

Enormous statue of the Emperor of the Mongols.

A collection of old steam and diesel locomotives sitting in a fenced-off garden.

The monastery survived the Communist revolution in Mongolia as a religious museum.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

A beloved tribute to the Fab Four and the freedoms they inspired.

When the city of Manchester built a new centralized heating network, they did it with style.

The city of Manchester quietly unveiled this tribute to a 19th-century massacre.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

Be on the lookout for the symbolic insect all over the city.

Have a seat with the father of modern computing at this Manchester monument.

This Manchester laundromat is hiding something.

Inspired by Thomas Stothard's painting of the "Journey to Canterbury," albeit with Canterbury natives.

An impressive armored bronze effigy marks the tomb of one of the medieval era's greatest warriors.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.