Places The Donut Guy Wants to Go

America's only nuclear missile silo open to the public.

The ghostly remains of an accidental sea.

World's largest collection devoted to one fruit.

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

The ornate miniature mansions were built for Istanbul's feathered residents.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

A controversial memorial at the place where Captain Cook met his violent end.

The sullen remains of vessels abandoned in the Port Adelaide River.

This unusual three-way wooden foot bridge spans two rivers at once.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

A life-sized baby elephant tombstone marks the grave of a circus owner at a country church in southern Georgia.

Steaming blood-red hot spring from hell.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

A cave network located at the southernmost tip of mainland Greece was once believed to be an entrance to Hades.

A hands-off space for graffiti artists to hone and display their skills.

Kay Andrews's recipe was so good, her family immortalized it in stone.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Deliciousness abounds at a Guatemalan restaurant masquerading as a pizzeria.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

The remains of a 12th-century chapter house in Golden Gate Park.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.