More than 700 species live within this murky marvel of a swamp on California's coast.

A massive volcanic plug is now a protected area that hosts a number of bird species.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

So many migrating birds roost on the bridge, it has a special summer speed limit.

A historic covered bridge, only one of two remaining in North Carolina.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

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

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The alley connecting two of country music’s most historic venues has a rich history of its own.

This replica of the Greek structure is in the heart of Nashville.

An unassuming 13-acre park is home to over 12,000 roses.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Enormous lake at the bottom of a unique cave system.

One person's lost luggage is another person's treasure.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.