A tunnel of hardened lava along Maui’s famous Road to Hana.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

The famous aviator's final resting place is a study in natural beauty.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

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

Images chiseled into the basalt here date back an estimated 300 years.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

This historic roadhouse has many tales to tell of San Francisco's early history.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

One person's lost luggage is another person's treasure.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

The longest continuous lava tube in Oregon.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

This angular brutalist playground turns playtime into modern art time.

A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

A free, public museum dedicated to the fascinating science of sight.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A moody and picturesque riverside ruin overgrown with vegetation.