This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A beautiful geyser under environmental threat.

Pompeii's less famous neighbor is still revealing her secrets.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Resting place of Hollywood's immortals is also site of summer film screenings.

A spectacular cave and a beguiling lake.

The atmospheric road was never meant to be so creepy.

Rising from the sea like a stone monster.

The first declared National Monument in the United States.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Enormous lake at the bottom of a unique cave system.

A 140-year-old castle with underground caves hidden in San Francisco.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

A walk through the historic city center, under the streets of Seattle.

An Australian lake whose pink hue defies scientific explanation.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.