Often referred to as the largest spring in America.

Home to a forest of whimsical pygmy Coast live oak.

The only cave in Louisiana has played host to a state's-worth of clandestine activities.

A life-sized recreation of the megafauna that once roamed this region is a feature at the birthplace of American paleontology.

A huge musical instrument played by the ocean.

The world's oldest rose is so tough it survived being bombed in World War II.

A famous—but endangered—plant is on view at an unassuming nature preserve a quick drive from Myrtle Beach.

Said to be one of Sweden's most haunted places, this vicarage once even attracted a ghost-busting priest.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

This pond in Victoria Park is rumored to be bottomless, one of several legends that surround it.

A tree that defies gravity grows in an ancient ruin.

Every summer, this shrine sets up a tiny drinking fountain reserved for thirsty apians.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

A trail of footprints discovered after a landslide was left not by the Devil, as originally believed, but by an early human ancestor.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

The romantic botanic tunnel feels like a well-kept secret.

This is no ordinary coffee chain outlet—it's an architectural masterpiece.

A serene mountaintop temple complex featuring one big, bronze Buddha.

The site of a famous samurai duel.

An exquisite tunnel of cascading flowers.

With a floor made of thick glass, this observation deck offers a full view of Sunwapta Valley's mountains and rivers.

This vast, pristine wilderness is home to a rare subspecies of black bear.

Siberian whale bones stand as cairns marking location of an ancient butcher yard.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.