Prayers and messages of hope decorate the ceramic tiles of this pavilion.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

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

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

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

This saltwater swimming pool, which is the last of its kind in the United States, is slowly crumbling within sight of multiple high-end beachside hotels.

The last standing piece of a famous Honolulu landmark.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

Less a museum than a bizarre fantasy world created by artists and engineers.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.

Ming Dynasty necropolis raided during the Cultural Revolution.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

A floating museum that was sunk by a flood and left to rot in the tides.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

More than 5,000 contemporary and "historic" mustards from around the world.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

Man-made geyser that rises to the exact height of the Gateway Arch.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

A bizarre house filled with an astounding array of collections.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

This cave holds a surprisingly colorful variety of geological oddities.

A former barn converted into a massive train diorama.

Giant six-pack could provide one person a six-pack a day for 3,351 years.