A winding path built in secret on the edge of the continent.

A 19th-century cabin built into a hollowed-out Sequoia tree.

The second-largest giant sequoia in the world.

The worst road in Colorado is the main gateway to some of its highest peaks.

Take a self-guided tour through one of Colorado's most elevated mining districts.

Community owned and operated, this property is home to a diverse set of nudists.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

A crumbling Caribbean resort hidden just steps from a beautiful pink sand beach.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Baroque celebration of the end of the Great Plague of Vienna.

The final resting place for the remains of 143 Habsburg royalty.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

Three columns of volcanic rock shoot out of the ocean.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The childhood home of the award-winning novelist and short story writer.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.