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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Giant, friendly pelicans in Central London, the most unlikely of places.

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.

London's smallest police station is barely the size of a phone booth.

The remains of Crystal Palace Great Exhibition of 1851.

Eighty million natural history specimens call this gargantuan museum home.

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

One part local history, 99 parts gruesome haunted house.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

There are eight natural springs around town, each with a slightly different taste.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

This 45-story tall abandoned skyscraper is the third tallest building in New Orleans and Lousiana.

An abandoned warehouse turned art sanctuary in New Orleans.

It's clear this abandoned Art Deco gem was no ordinary cleaners.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

The only rotating bar in New Orleans has been slowly spinning since 1949.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The second oldest continuously operating bar in Louisiana.

A snapshot of the city's fascinating voodoo culture.