The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

A museum glorifying the life of Stalin, located in the city of his birth.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

The decaying remains of a once-luxurious Soviet spa town.

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

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

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

The charmingly disheveled clock tower of Tbilisi's puppet theater.

Underground monastery and fortress.

This Bhutanese site is one of eight sacred locales established by a revered 14th-century Buddhist master.

According to legend, this temple was built to pin down the body of a demoness who lay across the Himalayas.

An 18th-century Nepali-style chorten built to subdue demons and evil spirits.

One of Bhutan's oldest temples was purportedly built to halt a giant female ogre from preventing the spread of Buddhism across Tibet.

Legend has it a sacred treasure hidden by an ancient guru was revealed with a burning butter lamp from these waters.

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

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

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

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

This garden is very fertile.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

The small sanctuaries lie just off the beaten path near one of Bhutan's most famous attractions.

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

Known as the leaning temple, the sacred structure has somehow developed a severe nine-degree slant.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.