Only a few remaining items alert intrepid explorers that a town once stood in this region.

A waterfall rushing through a lush fern gully in Australia's Tarra-Bulga National Park.

Home to herbal cosmetics, teas, and a unique set of dolls known as kitchen witches.

The spherical grains of white quartz sand give every step on this Australian beach a distinctive sound.

A set of tall pillars and alcove-like rooms that are significant to the Miami people of Indiana.

Built by an accountant with a dream of running a grand resort, this estate has sat vacant for over half a century.

It's unclear what caused the fire that led to this opulent hotel's demise.

Narrow gorges and deep pools created by long-ago glaciers.

This small, nautical gift shop is home to a 500-pound behemoth.

A timber transport car and a team of horses were needed to carry this lookout to the top of Mount Tarrengower in the 1920s.

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

This small piece of Michigan is entirely surrounded by Ohio.

The “Grand Canyon of Maine” is a three-mile gorge full of striking geological features.

One of the few institutions in the United States devoted to the art of decorative bird carving.

These unique toilets feature transparent glass covered in PDLC film.

The former location of a platform that allowed passengers to safely wait for the trolley.

Wooden pathways run through this rocky landscape, which legend says was created when a dwarven king pulled down his own castle to stop raiding giants.

Now in ruins, this castle stood for centuries and saw a number of gruesome events.

This museum preserves the heyday of Puerto Rican coffee.

The father of Belfast medicine is buried in the graveyard of this 13th-century church, which now lies in ruins.

Sharks, stingrays, and turtles swim in the pools at this former elementary school.

Near this coastal cave stands a small memorial to the hermit who made it his home for three decades.

A handmade waterfall in Kanyakumari.

You can find more than 200 species of tropical plants at this garden owned by a former ambassador.