France's national museum of scientific and industrial instruments.

Right angles in the forests of Panama.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This huge green space packed with activities will make you forget you're in the middle of the Ecuadorian capital.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

An 18th-century hideout became a permanent and ongoing residence for one Lesotho tribe.

A battle between nature and architecture in the Cambodian jungle.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The world’s highest ski resort was deserted after an 18,000-year-old glacier melted away.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The largest and, arguably, most scenic fortress in Bhutan.

This colorful overpass is one of Bhutan's longest suspension bridges.

This 17th-century Bhutanese monastery is ensconced in Buddhist legend.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an 8th-century Buddhist master.

The small sanctuaries lie just off the beaten path near one of Bhutan's most famous attractions.

This penis-focused monastery is dedicated to Buddhism's "Divine Madman."

Legend has it a sacred treasure hidden by an ancient guru was revealed with a burning butter lamp from these waters.

This Bhutanese site is one of eight sacred locales established by a revered 14th-century Buddhist master.

The nation’s first institution dedicated to the conservation of Bhutanese textiles.

While this is positively the smallest library in Canada, it aspires to be the smallest in the world.

Made from local Irish moss, this pie is served only in Prince Edward Island's potato museum.

This sprawling collection hides many charms.

Rusty red sands line the shores of this Canadian Province.