Live long and prosper in Tennessee.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

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

A Texas landowner spelled out his name with three miles of trees, a giant signature that's been used by NASA to evaluate satellite imagery.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

The FBI's urban training course may have the highest fake crime rate in the world.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A musical sanctuary that preserves gospel’s Golden Age is tucked inside a library at Baylor University.

The wreckage of a crash that killed nine people still litters the Franklin Mountains.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

A quiet memorial to those who died saving others in the heart of the City of London.

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

The gigantic skull of a long-extinct species that once roamed the forests of England and Ireland.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

A naturally mummified 2,000-year-old man.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

Hear the quietest sound from across the dome.

The broken skateboards that became a poignant memorial to a murdered skater.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.