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

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

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A small town garden is dedicated to a psychic dog with the most soulful eyes.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

This historic cliffside mansion uses a natural cave for air conditioning.

Giant granite rocks standing end-to-end like a train of circus elephants.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The remains of this visionary community can still be found much as it was a century ago.

The world's longest known cave system.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

This abandoned five-star hotel is now a five-star urban exploration destination.

A statue honors the children who fought Nazis in Poland.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

A Mormon place of exile in Missouri.

Numerical symbolism abound at East Asia's oldest observatory.

Various forms of phallic art decorate this hill in commemoration of legendary local tragedy.

Over 80,000 carved wood blocks make up one of the world's oldest intact Buddhist canons.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

Home to more than 13,000 pieces of war memorabilia and military equipment.

A chilling monument to Korean patriots who resisted the Japanese occupation.