Hindu temple of the dead home to hundreds of long-tailed macaques.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

A unique project to help restore coral reefs in Bali.

South Korea's largely symbolic, barely used gateway to the North.

The best place for scenic views of the DMZ and North Korea.

Secret North Korean passage discovered below the world's most dangerous border.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.

This park offers a variety of sights and activities including trail rides and buffalo sightings.

See massive fossils that are over 200 million years old in northeastern Arizona.

Dramatic river bend surrounds a natural red-rocked pedestal.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

These boots are made for selfies.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

Ruins of a once-opulent grand Victorian resort.

Three hundred years of preserved Spanish colonial history in San Antonio.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

This big empty pig is a nostalgic throwback to mid-20th-century Texas barbecue.

Tile mosaics and quotes from Pablo Picasso add an artistic flair to these bus stop benches.

The world's largest rotating world.

Abandoned Italianate architecture on the coast of Maine.