Huge spherical rocks in the middle of the prairie.

Locals transformed this Canadian evergreen into a secret hangout with spectacular views of Vancouver's skyline.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

The stunning interior of this Gothic church is covered in ornate gold details.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Crawl through the hole in the middle of this stone to break off a bad relationship or initiate a good one.

Mirrored floors and arched shelves create the illusion of an infinite tunnel of books.

The world's largest grapevine has produced a delicious harvest at Hampton Court Palace for almost 250 years.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.

The largest cactus farm in Africa.

Iran's colorful terraces are a rare geological masterpiece.

A stunning two-story timepiece within a medieval Brick Gothic church.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

One man's eclectic collection of treasures found at sea.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.