Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

The toilet-shaped house of South Korea's sanitation pioneer is now a museum to the john.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

Cavernous opening completely encased in Karst limestone.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

A geothermal energy project gone wrong is fracturing the city's picturesque architecture.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

One of the most easily accessible examples of the rare 1960s UFO houses.

A precariously balanced goose-shaped boulder with a dark legend.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

This precariously balanced boulder is said to be a hunk of stolen butter dropped by the gods.

A precariously perched golden rock defies gravity and brings pilgrims from across Myanmar.

Exquisite carvings of leaves, Green Men, and the occasional dragon adorn a medieval chapter house.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

The surviving remnants of a destroyed medieval church now stand in a public park.