This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

The ruins of New Zealand's largest classical-style church.

High winds can make this one scary landing.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

New Zealand's only running funicular railway.

The platform atop this verdant volcano was built with the help of a royal elephant.

This unusual rock formation looks like an apple that has been neatly sliced in half.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

According to legend, this rock represents a young girl trapped by an evil ocean spirit.

Fifty years after a “blast blasted blubber beyond all believable bounds,” this idyllic natural area commemorates the carnage.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

A Roman-style column in Oregon hides a spiral staircase inside.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

A massive sea stack famous for its appearance in The Goonies.

Only known mainland rookery of the threatened Stellar sea lion.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

On the Oregon coast is a natural hole that seems to be draining the sea.

It was once nicknamed "the most bombed hotel in Europe."

This short bridge is the only thing connecting a tiny Irish island to the mainland.