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

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

This historic franken-chapel is the oldest wooden church in the world, at least part of it.

An underground magnet for ever-changing street art.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

A huge musical instrument played by the ocean.

Visible below the waves are memorials to the city's Gold Rush dead.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

Oxford University's stateliest library seems designed to make students truly feel the weight of knowledge.

A beautiful maze marks where three countries meet.

Unchanged for centuries, this medieval library keeps its books in chains.

An intricate and amazing house built by architect Karl Junker.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

Caves famous for the dragon-slaying saint who lived there.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

19th century pendulum and a clock restored by a rogue group of guerilla artists.