The majority of the museum's large collection is held in a storage space open to the public a few times a year.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Ship-sized kinetic sculptural fantasy.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

Pop culture has helped to keep this iconic British building from being destroyed.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

A network of concealed passageways lies within a busy London Underground station.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

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

Catacombs turned marketplace.

Eighty million natural history specimens call this gargantuan museum home.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

One part local history, 99 parts gruesome haunted house.

The curios of pharmacist and collector Henry Wellcome.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

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

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

A church dedicated to the Mexican skeleton saint.

Where serial killer Aileen Wuornos drank her last beer.