The shiny silver little brother to Copenhagen's Little Mermaid statue.

A glacial valley filled with silver beech trees in the mountains of Portugal.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

Hidden deep in a forest is this geological wonder carved by glaciers.

This lovely Scottish nature walk leads to the source of a local legend.

This hiking/biking/horse trail along an old railroad grade features trestles, tunnels, and a roadless stretch through the scenic Susan River canyon.

East meets West in this Japanese-style garden featuring plants native to Maine’s Mount Desert Island.

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

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

A maze of underground tunnels beneath one of the most beautiful forts in Serbia.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

A 16th-century horror show built in a lovely Italian garden.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

The grounds and buildings of an old wood pulp mill have been transformed into an innovative art park and museum.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

Japan's largest area of "pink moss" turns the hillside bright pink every spring.