Believed to be the former location of one of the earliest Viking assemblies in Europe.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

Catacombs turned marketplace.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

After years of being casually peed on by humans, this tree is peeing back.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

Art and a pun, all in one.

Colorful and chaotic stacked hotel in North Holland.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

This non-profit theatre in the heart of Brussels is dedicated to hosting independent films.

This annual Belgian water race attracts bathtub captains from all over the world.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

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

Descend into the tunnels to experience the life of a coal miner.

An undulating wicker beast looms peacefully atop a sand dune in Belgium.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

This museum promotes informed contraception by documenting its often secret past.