Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

The ghostly remains of what was once the world's richest copper mine.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A sacred lake with thousands of sacred carp and a biblical history.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Thousands of bats stream out of caves every night on the edge on Thailand's second largest park.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

The massive gardens and office of a Brazilian sculptor.

10,000 flowered plants bloom in the City of Roses.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

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

A hidden alley in urban Baltimore is a haven for graffiti artists.

Eighteen miniature death-scene dioramas.

Yo, Adrian!

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

A semi-scholarly approach to sex.