A saintly relic hidden in a Prague church basement.

This tunnel looks like a sliver of Shanghai that's stuck in the past.

This hidden collection of everyday objects illustrates life within communist Poland.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A statue honors the children who fought Nazis in Poland.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

Special benches that play Chopin's music are scattered throughout his native city.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

Journey through this open museum where even employees remain true to period.

Flying high over the small island of Zákynthos is a giant tribute to the mainland.

These sea caves are the source of Xigia Beach's distinct aroma.

These abandoned salt flats are now a haven for wildlife.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

An incredibly well-preserved piece of ninth-century Viking poop.

This medieval manor house was hastily fortified when it found itself in the middle of the Scottish fight for independence.

What was once England's second-richest abbey is now a haunting ruin.

Abandoned for over 20 years, this Art Deco seaside swimming pool is a magnificent waste.

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.

This lonely bronze walrus celebrates a character in a Lewis Carroll poem.

An enigmatic sculpture depicts a ruined home with debris stretching for over half a mile along the river.

This steel sculpture made from a recycled crane towers above a former shipyard.