A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A semi-scholarly approach to sex.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Elevated freight railway turned wildly successful urban park.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The ghostly remains of an accidental sea.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A huge musical instrument played by the ocean.

The Burnside Fountain and its questionable interpretation.

World-famous, Pink's still manages to keep its prized cult fetish status.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

World War II-era Nazi compound nestled in the Santa Monica hills.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A hugely vast Irish landscape of barren rock that stretches for miles.

Medicinal spa created with the discharge from a geothermal energy plant.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

An encyclopedic collection of mammal penises.

Three columns of volcanic rock shoot out of the ocean.

The most powerful waterfall in all of Europe.