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 cluttered and astounding collection of antiquities and curiosities.

An incarceration museum on the spot of possibly the oldest prison in England.

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

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Eighty million natural history specimens call this gargantuan museum home.

Hear the quietest sound from across the dome.

One part local history, 99 parts gruesome haunted house.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

A health museum containing a 27’’½-foot intestine.

Fantastic collection celebrating the final send-off.

This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

The world's tallest statue of an American hero.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A modernist landscape of water and sci-fi concrete.

Belly up to the bar in Cowtown, don't forget to buy some boots.