A massive volcanic plug is now a protected area that hosts a number of bird species.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Famously misunderstood wonder of the ancient world

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This cemetery features modernist statues as strange as its name.

A grand example of 19th century Burmese teak architecture, and the most significant of Mandalay's historic buildings.

The celebrated eyesore created by starry-eyed sweethearts.

A beautifully eclectic mix of architectural styles.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

Hundreds of Buddhas in a re-discovered Indonesian temple.

Swedish skyscraper with a 90° twist.

Frequent fliers welcome in this airplane hotel.

A pocket of jungle amidst urban expansion in Panama.

Dramatic river bend surrounds a natural red-rocked pedestal.

Turntable anonymously received orphans, alms, and groceries.

The world's 2nd or 3rd or 4th busiest seaplane base.

When ecosystems collide in the arid Southwest.

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

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

18th century opera in its original splendor.

2300-year-old Roman road connecting the empire.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

Sweden's "good old days" painstakingly re-created in a model village.