A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

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

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Breathtaking and huge 430 year old maps of Italy.

The internet as provided by a James Bond villain.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

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

This elegant arc of a waterfall marks a religious turning point.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

Electrical pylon in the shape of Disney's beloved mouse.

Famously misunderstood wonder of the ancient world

Over 100 years ago this pyramidal holding cell was reserved for rowdy drunks but now only offers five minute sentences.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.