An old California photo stand has been turned into a shrine to the cozy art of crochet.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

Monasteries on rock pillars, once accessible only by frayed ropes.

A stunning landscape of bunkers that once stored chemical weapons.

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

The ancient tomb acts as a calendar that keeps perfect time.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This single room has survived the centuries with almost no deterioration.

The oldest continuously operating fish market in the United States.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Few other hotels can rival the grandeur of the Castle in the Rockies.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

A glacier pocked with ice caves and surrounded by rainforests.

New Zealand's west coast is one of the best places in the world to view these large seabirds.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

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

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

These ancient sacred grounds granted amnesty to those who managed to reach them.

A priest with no formal artistic training used basic house paint to create gorgeous religious scenes inside this historic church.

Five candy-colored villages on the Italian Riviera.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.