Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

This architecturally eclectic fortress witnessed centuries of bloody turmoil, including the massacre of its ruling clan.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

This garden boasts a magnificent collection of orchids and a spectacular view of the surrounding valley.

One man's journey to return a stone to its point of origin after 200,000 years.

This Himalayan airport provides one of the most difficult landings in the world.

This garden is very fertile.

A stupa built to protect Bhutan from evil forces and help bring peace to the world.

This penis-focused monastery is dedicated to Buddhism's "Divine Madman."

This colorful overpass is one of Bhutan's longest suspension bridges.

The largest and, arguably, most scenic fortress in Bhutan.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an 8th-century Buddhist master.

Life and death are on parade at the most reliably perilous site of “the Great Migration.”

A statue erected in honor of the toadish nickname given to Jersey residents by the French.

The first island in the world designated a light-pollution-free astronomical observation point.

One of the world's smallest prisons boasts just two small cells.

An 800-year-old island castle in Guernsey's main harbor.

Beatlemania is still going strong... at least in Kazakhstan.

Watch the seas clash at the place where according to Maori tradition, the spirits depart for their journey to the afterlife.

Mounds of fine golden sand that can rise nearly 500 feet tall.

Largest Kauri tree in New Zealand.

New Zealand's west coast is one of the best places in the world to view these large seabirds.

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