A monument celebrating the idea of reaching inaccessible places.

Send a postcard while vacationing with Satan.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Home to items never before seen by the public.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

For over 300 years this little carving has been the city’s good luck charm.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

Where Nor'easters go to die.

The famous aviator's final resting place is a study in natural beauty.

A controversial memorial at the place where Captain Cook met his violent end.

These ancient sacred grounds granted amnesty to those who managed to reach them.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.