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.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

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.

A tiny church on a man-made island in the Adriatic.

Breathtaking and huge 430 year old maps of Italy.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Go surfing on this urban wave, "hacked" by local surfers.