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

The final resting place of a German diplomat's beloved companion.

It is against the law to obstruct the view from the top of this English burial mound.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

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

Legend has it that seven Anglo-Saxon kings were coronated on this stone, located in the appropriately-named town of Kingston.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

A little sculpture with a large wardrobe.

This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Elvis's own personal tropical hideaway.

Single runway interrupted by a busy road that cuts across its middle.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

The patch of land below the memorial was gifted by the British to the United States.

A domino effect created with Britain’s iconic telephone boxes.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.