This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

A land of debatable treasure.

Odd outsider art installations surround a Gold Rush-era ghost town.

The former Naval shipyard is open for exploring - mostly.

The oldest Naval cemetery on the West Coast.

A giant Troll lurks under one of Seattle's oldest bridges.

This former coal gasification plant found a curious second life as a popular public park.

A museum dedicated to the history and exploration of both popular music and science fiction.

A wall of chewing gum moonlights as collective art.

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

The final resting place of the great navigator, or maybe his brother.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Single runway interrupted by a busy road that cuts across its middle.

This influential Renaissance-era library was once the haunt of kings and monks.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This blowhole is supposedly caused by a trapped monster.

A burial ground for workers at one of Hawai'i's largest sugarcane producers that laid buried for decades.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

Commonly referred to as the most photographed Victorian home in the United States.

Humboldt's human-powered sculptures race across land and sea for days on end in a wacky quest for dominance.

A carnivorous plant paradise in a serpentine bog.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.