Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Take an underground boat ride through a former hydraulic raceway that was built in the late 19th century.

This unique rock formation has become a popular walking trail.

This historic streetcar system has been running since the 19th-century.

The 19th-century home of Count and Countess von Hallwyl is now a museum.

A train ride to the middle of nowhere gives its passengers some of the most iconic views of Japan's seasons.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

Each of these 87 large stones has a unique message. Together, they form part of the Minnesota Military Family Tribute.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

A series of sculptures beneath the waves promote ocean conservation and support coral reefs.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

This garden among the Florentine hills is complete with a meditation path and works of poetry.

This charming woodland trail is peppered with poetry.

This museum is housed in an unassuming building that witnessed one of the most daring feats of satire in modern history.

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

A repurposed railway tunnel with otherworldly acoustic characteristics.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

A gender-bending antihero's grave, where lies the inspiration for both book and film.

This collection of lurid religious statues tell the tales of a saint who stood down the devil.

A taxus-tree to which Julius Caesar reputedly tied his horse.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

Explore 400,000 years of humans' "battle against darkness" in this offbeat but thorough lamp museum.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.