A mysterious artist-run cabinet of curiosities and library.

Cold storage for agricultural biodiversity.

A visionary precursor to the Internet made of index cards.

Fascinating town where normal life interfaces with the occult.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

An 18th century monument regularly tagged with unsettling graffiti referencing a 1940s unsolved murder.

A 550-square-meter micro-nation off the coast of Britain.

Fantastically decorated underground chambers built in the 1760s.

A museum wholly devoted to juvenescence.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

"Purveyors of traditional sweets and vintage treats."

The Columbia Road Flower Market is now open every Sunday, rain or shine.

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

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

A cluttered and astounding collection of antiquities and curiosities.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Thousands of well-dressed mummies below a monastery.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

Elevated freight railway turned wildly successful urban park.

This communist country can still appreciate its fragrant past.

Delightful disarray of found objects and clutter.