The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

A stranded woman lived alone on this remote island for 18 years, inspiring the great children's novel "Island of the Blue Dolphins."

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.

Go deep on these fascinating fish, and get a bonus lesson on the importance of marine conservation.

A blast from the past in central San Diego.

The freeway that never was.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

This charming woodland trail is peppered with poetry.

A mountain pass used by Prohibition-era bootleggers to facilitate traffic into and out of Canada from Vermont.

A little Lady Liberty stands in the Norway town where the copper for the real thing came from.

This replica of the Greek structure is in the heart of Nashville.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Norway's oldest cathedral still in use.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

The alley connecting two of country music’s most historic venues has a rich history of its own.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.