The oldest bookstore in Iceland.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

The majority of the highest mountain in Poland is actually located in a different country.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Inside this Krakow church, an explosion of psychedelic color.

This man-made mound monument was built out of soil from all across the Polish empire.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

Real bones which are said to have belonged to a Polish dragon.

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

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Art and armour fill every inch of this rich kid's Italian villa.

This vast collection of smoking pipes from across the world spans centuries.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

Planes, helicopters, and a shipwreck are underwater in this former limestone quarry.

One of three sites in England that house the National Collection of Arms and Armour.

A seaside town with no sea in sight.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

The western face was supposedly left clock-less to snub the Welsh.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.