Canada's oldest railway tunnel is illuminated in a rainbow of color as it passes under the streets of this small city.

Life-sized painted illusions let pedestrians blend in with the street art.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

An eerie, derelict amusement park in Berlin.

An endless sea of white conical domes.

An alien landscape of chalk-rock in the Egyptian desert.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

A series of caves within the gorge hold artifacts from the Stone Age.

One of the world's largest pyramids stands within El Mirador, the "lost city of the Maya."

Colorful Native American paintings are hidden within this small cavern.

Few other hotels can rival the grandeur of the Castle in the Rockies.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

Bioluminescence in the reefs of the Maldives causes the sea to glow like a starry night sky.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A 220-foot deep watery drop-off, filled with marine life.

This shop specializes in oddities and Victorian-inspired wonders.

Sitting atop a rock on Michamvi Pingwe beach, this restaurant becomes its own island at high tide.

A library where thousands of books explain how to avoid another Great Recession.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

It took over 100 years to decode this enigmatic epitaph for two buried brides.

A flooded Mexican cave that hides a river beneath the water.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.