Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A floating cat sanctuary on an Amsterdam canal.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

Climb inside an iron crystal magnified 165 billion times its normal size.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

Lavish royal estate punctuated with heated greenhouses.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Brussels' favorite peeing boy has a sister.

Cozy basement bar sports an inventory of over 2,000 beers.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Meet the bronze beloved pet to a family of famous peeing statues.

The Devil’s own choice when he needs a drink in Brussels.

When you're a great Russian Tsar, even your vomit gets a statue.

This mysterious complex of abandoned yurts and fading murals was meant to be a center of science and spirituality in Kyrgyzstan.

The origin of this sinisterly shaped forest is rooted in mystery.

An abandoned, deteriorating tuberculosis hospital from the turn of the 20th century.

The Swedish flag over this small naval fort signals that the nation is at peace.

Lonely minaret stump of a destroyed city.

A boulder carved into the shape of the cosmonaut's head.

Extremely isolated Silk Road caravanserai in the middle of nowhere.

This retro, UFO-like structure is a remnant of the Soviet-era circus.

Stockholm's tiniest statue is of a small boy looking at the Moon.