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

Walk in the footsteps of the gods and straddle two tectonic plates.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

A temple dedicated to the 13th-century Alevi Turkish dervish credited with bringing Islam to the Balkans.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

In this town's main square resides a statue of none other than the 43rd President of the United States.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

Dictionary Johnson’s favorite feline.

The taxidermied remains of a once-great parrot.

An unusual round church in London with a Templar past.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This Underground station has been a popular filming location for decades, even before it closed.

Victorian-era Londoners really wanted to believe this 17th-century cistern was actually an ancient artifact.

The world's longest continuously running show has played at this small West End theater since 1974.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

A 16th-century horror show built in a lovely Italian garden.

Narrow slot canyons in a badland eroded into soft sedimentary rock provide an otherworldly landscape in this remote Nevada state park.

The final resting place of a space program monolith, soon to be unveiled again to the public.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

There has been an astronomical clock on this spot since the 14th century.