The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Steadily reminding Czechia of its past.

Monument to a suicide protesting the Soviet invasion.

Looming communist pillar with a Czech twist.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

A mocking tribute to the past and modern leadership of Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

This doorless 20th-century elevator doesn't stop or slow down.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A Jenga-style cylindrical tower of books that appears to go on forever.

Celebrating the works of a beloved Italian actor, known for such cult films as 'They Call Me Trinity' and 'Watch Out, We’re Mad!'

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

This watchtower once presided over the Berlin Wall.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

Cold war icon and onetime "hole" in the iron curtain.

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