Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Sip cherry liqueur at a bar dating back to 1840.

Eat the ultimate iteration of Portugal's most beloved pastry.

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

Ancient catacombs form the foundation for this Rococo orgy of a church.

This unusual elevator doesn’t stop or slow down.

This unattributed sculpture in Amsterdam is hiding in plain sight.

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

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

A giant interactive periodic table with real samples of the elements.

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

A bus with a butt and biceps to put Olympic athletes to shame.

An Orwellian sculpture with eyeball cameras watches passersby.

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

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

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

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

A Hungarian optometrist's charming collection of Asian art and curiosities.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.