A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

The ancient latrines of the Greeks, in all their public glory.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

A fountain standing as a testament to a doomed alliance.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Roman ruins top white travertine terraces formed by ancient hot springs.

A marvel of Byzantine engineering under the streets of Istanbul.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

An encyclopedic collection of mammal penises.

A whimsical bridge adorned with decorative dragons.

Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

Buy raw milk from a 24/7 vending machine or pick up tomb candles at this local market.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Fantastic views and thousands of love locks.

This Taiwanese promontory is covered in otherworldly hoodoo formations.

A condom-covered Thai restaurant that is more concerned with birth control than food.