A uniquely lettered street sign marks the corner where the iconic word game was invented.

The oldest residential street in Europe also features an optical illusion.

Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

The remains of the concrete ship can be seen during low tide.

Swedish mice can dine at the Nuts of Life restaurant or take a date to the amousement park.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

This 700-year-old street food market features baby octopus and soy donuts.

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

The world's largest and most outstanding marl lake regularly changes color.

An Australian lake whose pink hue defies scientific explanation.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

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

One of the world's oldest and most massive living organisms is a grove of quaking aspens.