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

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

Apparently, the whole cosmos emanates from this plain concrete tower.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

Albuquerque found the perfect use for tumbleweeds at Christmastime.

This brilliant display of whirling fireballs celebrates Hogmanay.

An Aztec snake god has taken the material form of an apartment complex.

An extraordinary "City of Caves" carved from solid stone.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Denmark’s never-ending bridge.

An astounding 13th-century architectural and historical achievement

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

This experimental utopian "city of the future" in rural India may hold a dark secret.

This rural Sri Lankan village hides a cluster of small, enigmatic stupas.

The best-preserved Roman site in India.

A collection of crumbling mansions stand as a reminder of a more prosperous time in this Indian village.

This temple contains what might be the world's oldest optical illusion.

The grounds and buildings of an old wood pulp mill have been transformed into an innovative art park and museum.

This round structure dotted with portals is one of several pieces scattered throughout Lancashire.

This bronze statue commemorates the strange and beloved mascot of UC Irvine—the only university to be represented by a giant anteater.

These were the largest wind chimes in the world when artist Tom Van Sant created them for a California mall in 1967.

This knick-knack-covered house (complete with a matching van) is a charming oddity in the middle of a modest downtown neighborhood.

The greatest collection of New Orleans masking and processional traditions covering everything from Baby Dolls to Skull and Bone gangs.