A rock that was too big to move, so the town just paved around it.

Two gushing waterfalls of hot spring water within a block of each other.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

This unfinished tribute to a hometown hero and early baseball great is now an abandoned roadside attraction.

An abandoned concrete jungle surrounded by a lush park.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

A miniature baseball stadium honoring Johnny Rosenblatt Stadium, home of the College World Series from 1950-2010.

One of the stops along the fateful journey of the Donner Party.

This monument built by Japanese American immigrants spent decades underground.

Submerged lava formations create incredible waterworks.

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

This blowhole is supposedly caused by a trapped monster.

A local pineapple cannery once dumped pineapple trimmings off of this pier, with sometimes smelly results.

This former luxury resort in Kaua'i is now an abandoned relic.

Now a pedestrian bridge, this was once part of a narrow-gauge railroad that ran along the east coast of Kauai.

The oldest purpose-built cinema still in operation also houses a museum of movie memorabilia.

Undone by Prohibition, this abandoned brewery-turned-flour mill is now ready for its third act.

This mid-19th-century dugout was once home to a Swedish family as they erected their homestead.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

Four ionic columns from the Treasury Department building ended up in a park in Nebraska.

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.