Tiny communists hammer away on the Olomouc Astronomical Clock.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Budapest's Communist-era statues, banished to the suburbs.

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.

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

Macabre astrological automaton clock dating to the late 1400s.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Monument to a suicide protesting the Soviet invasion.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

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

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

This huge metal monument is slowly being stripped to its concrete skeleton.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Avoid gangster interaction while window-shopping.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A "miracle" that seems to produce more holy fistfights than holy revelations.

The most peaceful "country" in the Middle East.