A 19th-century subterranean reservoir repurposed as a contemporary art cave.

A walkable map of the world, made from soil and stone by one man.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

Dedicated to the unsung history of human waste.

Abandoned substation turned village treasure.

This Gothic church was wheeled in its entirety to a new location a half a mile away.

A mesmerizing landscape of 18th-century cellars carved out of the land.

Every part of this unusual home is built into the sandstone rock.

The largest manmade caves in Europe now function as a motorbike club's headquarters.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

An enormous and lavish Gothic church in Czechia.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

A former squatter's paradise outside Prague.

Steadily reminding Czechia of its past.

The mystery of the Putim Ossuary involves a tricorn hat.

The oldest garden in Prague, once part of an medieval orchard.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.