This former coal gasification plant found a curious second life as a popular public park.

Make your reservation to have coffee with some kitties.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A walk through the historic city center, under the streets of Seattle.

These machines have been collecting dust for decades.

Taking the 3D art experience far beyond blue and red glasses.

Tens of thousands of tiny birds swarm into one school chimney every fall.

Gigantic private toy museum featuring among finest collections of antique mechanical banks in existence.

One of the world's tallest, oldest, and most disgusting chocolate cascades.

An emporium for the weird, creepy, rare, and just plain gross.

Their motto is, "We've been bonkers for hats even longer than you have!"

A beautiful 62-acre Catholic shrine and botanical garden.

Public access to clean drinking water was an instant hit among the masses.

The monster at the center of the Darwin Center Spirit Collection.

Dictionary Johnson’s favorite feline.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

The anatomical-pathological collection of a man who changed surgery.

Hidden beneath the streets of London is a secret subway that only carried mail.

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.

A whale's jawbone and a malfunctioning harpoon welcome you to the village of Bragar and its lore.