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

A controversial memorial at the place where Captain Cook met his violent end.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

The colorful, smiling concrete silos of Vancouver.

What happens when a sculptor has to find a way around a 100-year-old copyright.

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The Grand Canyon of Texas.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A unique geological area spiked with wind-carved rocks that resemble teepees.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

The world's second largest single-dish radio telescope, once used to contact E.T.

An underground magnet for ever-changing street art.

This research center for rare prosimians is studying how they sleep to help prolong human life.

100 massive sculptures in the Hudson River Valley.

Elevated freight railway turned wildly successful urban park.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

One man's homage to the orange as realized through a long-term folk art labor of love.

A private collection of massive steel monsters guarding a Texas pipe works.

A little bit Wonkatania, a little bit pink elephant.