Europe's "only museum dedicated to the decapod" is full of quirky and absurdist displays, including one featuring the "famous" Giant Crab of Margate.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

The best place in the world to buy tinned fish.

The world's oldest bookshop still in operation.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

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.

The remains of Crystal Palace Great Exhibition of 1851.

A relic of Victorian grandeur hides beneath a busy South London road.

Repository for more than 22 million pickled specimens.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

One of the smallest bookstores on the planet.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The decaying ruins of Wales' first asylum for the mentally ill.

The remains of centuries of copper mining appear like an alien landscape.

The tallest residential building in Africa is an unsettling Brutalist monolith.

Two bulls enter. One leaves a champion—but neither loses its life.