Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.

This lovely Scottish nature walk leads to the source of a local legend.

This hiking/biking/horse trail along an old railroad grade features trestles, tunnels, and a roadless stretch through the scenic Susan River canyon.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

Don’t miss the local staple of rice vermicelli with charcoal-grilled pork patties and pork belly.

Prowl through this sprawling bazaar under a massive Soviet-era dome for delicious eats.

Head to this repurposed Renault van for fiery sausages and fries.

A bustling bazaar with an elaborate facade in Central Asia’s underrated capital.

Where once there was a train station bathroom, there is now this German burger joint.

Tiny communists hammer away on the Olomouc Astronomical Clock.

Macabre astrological automaton clock dating to the late 1400s.

A stunning two-story timepiece within a medieval Brick Gothic church.

The world's newest astronomical clock is also its most accurate.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

Featured in one of the most iconic scenes in cinema history.

Largest outdoor staircase in the United States.

A fire lookout atop a glacial pinnacle is reached by climbing three vertiginous flights of stairs.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

Florence’s mother built a stairway down to her daughter’s coffin so she could comfort her during storms.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

This former fire tower is now a rustic observatory that offers amazing views of eagles, hawks, and the Appalachian Mountains.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.