This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

The glacier tucked within a New Zealand rainforest.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

A glacier pocked with ice caves and surrounded by rainforests.

Highly spherical boulders on the shores of New Zealand.

The premier place to experience the Victorian imagining of the steam-powered future.

One of the largest collections of traditional Māori artifacts in New Zealand.

The ruins of New Zealand's largest classical-style church.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

An abandoned boat that's been stranded mysteriously for decades.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

An Aladdin's cave of old Silicon Valley tech.

A Roman-inspired temple once controlled half of San Francisco's waters.

A classically inspired temple in Redwood City.

The capitol city's oldest existing cemetery.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

A dentist's hated concrete colossi are now beloved icons of the community.

The restored and active Victorian-era final resting place of San Francisco.

San Francisco's newly reopened hands-on science museum.

This museum looks at the history of one of America's most famous prisons and most beloved albums.