The largest collection of the iconic wooden shoe in the world.

The childhood home of a Tampa sports legend now houses 135 years of baseball memorabilia.

This historic hotel has hosted the likes of Babe Ruth, Jimmy Carter, and the Vanderbilts.

The oldest residential street in Europe also features an optical illusion.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

A huge old mansion full of thousands of toys, each there to be used and played with.

Intricate metal sculpture that's half gothic cathedral, half construction equipment.

A bronze statue of the fictional character nicknamed "Mrs. Hat" from a beloved Belgian comedy.

A lovely biographical museum in the artist's home of 24 years.

This museum is housed in an unassuming building that witnessed one of the most daring feats of satire in modern history.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

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

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.

Theme park featuring miniature replicas of European monuments.

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

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

From afar it looks like someone's hat blew into the water, but closer inspection reveals a giant floating sculpture.

A condensed piece of China floating in a Dutch harbor.

Four giant movable street lights decorate this modern Rotterdam square.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

Inside this metro station is a section of the city's former medieval fortification.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.