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

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

A scattered trail of street art adds a pop of color to the city's stark structures.

A relic of Victorian grandeur hides beneath a busy South London road.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

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

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

The heads of two giant mythological water horses honor Scotland's horselord past.

An artistic tribute to the famous singer, just around the corner from where he was born.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This 1920s Dutch barge is now a floating bookstore.

360° views of the city plus five floors of optical illusions and hands-on science.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Northern Ireland's Brobdingnagian stepping stones.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

This historic train station has been converted to a locomotive themed hotel.

This museum celebrates the history of Japanese advertising, from feudal business tricks to modern T.V. commercials.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

A library of poems cascade off the branches of this unsuspecting tree.

This sign designates the road that leads to the infamous Area 51.