Places Jochen Duckeck Wants to Go

The summer home of the largest colony of bats in the world.

In which a local geological marvel becomes a quaint roadside attraction.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

Ancient pueblos built into the base of a natural canyon wall.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

Over 50 whirling pools left behind from the glacial age.

This cave holds a surprisingly colorful variety of geological oddities.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

A cave's rare beauty held a cavernous secret hidden underground.

North Carolina's finest examples of Native American pictographs have survived for 5,000 years.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

These curious caverns have been home to mushrooms, gangsters, and disco.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

Mile-long cave system near Great Smoky Mountains.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."