Places The Donut Guy Wants to Go

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

A fiery crater has been burning in the Karakum Desert since 1971.

A technicolor place of worship for Elevationists.

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

This expansive bridge in the Canadian wilderness was originally just built for friends.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

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

The highest bridge in America was built for an almost unnervingly small amount of money.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Was this cave created by Hercules's wrath, the devil, or volcanic activity?

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

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

Nestled in an unassuming residential area, this "forbidden forest" is rumored to spirit away those who dare enter it.

In paradise, feral pigs have claimed an island all to themselves.

A marvel of Byzantine engineering under the streets of Istanbul.

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

This historic national park is covered in the stunning ruins of red rock pueblos.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

On Japan's Tashirojima Island, cats are king.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.