The world's second-tallest flagpole stands proud despite dropping rank.

The remains of an ancient city-state along the Silk Road.

Where the father of Persian poetry is laid to rest.

A building facade covered with the statues of 11 giants of Tajik literature.

Extremely isolated Silk Road caravanserai in the middle of nowhere.

This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

This 19th-century monument served an important purpose for fishermen thanks to its built-in barometer.

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

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

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

One of the world's largest collections of pathological specimens.

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

400-year-old garden, restored to beauty.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

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

The remains of Crystal Palace Great Exhibition of 1851.

Hear the quietest sound from across the dome.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Spend the night in this formerly abandoned traditional Scottish village.

The curios of pharmacist and collector Henry Wellcome.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

A little slice of Japan and its aesthetics in London's Holland Park.

Famously misunderstood wonder of the ancient world

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.