An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

This elaborate towering structure was once famed for its revolutionary height.

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

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

A standing relief of a Norman knight whose posture marks him as a Crusader.

A hugely vast Irish landscape of barren rock that stretches for miles.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Ship-sized kinetic sculptural fantasy.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A Buddhist temple to honor insects that died for science.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Even Henry David Thoreau found this glacial pothole irresistible.

The oldest surviving wood-frame building in North America is still in the family.

On this Puerto Rican island, many abandoned naval ammunition bunkers sit open while a few have been padlocked by locals as personal storage.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.