A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

A unique set of caves that spits waves back out into the ocean.

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

San Diego's most historic and haunted home.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

A futuristic-looking beach house built for the owner of a snack food brand.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A 1930’s courtroom where John Dillinger and his gang went before a judge.

Previously a hot spring, this park remains a site of unique history, wildlife, and geology.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

From working out of his garage to the James Beard semifinals, one Tucson baker has kept his fan base—and his grains—local.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

This bomb shelter-themed bar has barely changed since it opened.

A cabinet of curious mathematical models and old calculators.

One of the smallest bookstores on the planet.

This tower once served as a radar station during the Cold War.

The ruins of a 16th-century bridge loom over Olivença's sovereignty.

One artist's collection of homemade handicrafts doubles as a monument to 20th-century material culture.

When this former hospital pharmacy closed in 2013 it already looked like a museum, so they turned it into one.

You can cross from one country to another in a single hop on this little bridge.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

Houses are tucked between, on, and underneath giant boulders.