Places meltingknight Wants to Go

Geothermal waterfalls in Tuscany.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

A dreamlike medieval church dug into the tuff rock, with unusual carvings and possible traces of the Templar knights.

Climbing to the top of the cathedral's bell tower offers sweeping views of these medieval ruins.

This 15th-century cave complex is one of the very few monasteries to stay open throughout World War II and the Soviet regime.

The coffin-shaped church was once home to monks who slept in coffins.

A nomadic museum known for its art exhibitions about religion and faith.

A large-scale steel sculpture entitled 'The Shadow Boxer' pays tribute to Nelson Mandela.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This archaeological site was the center of the extinct Yarmukian culture which developed the first roads and pottery in Israel.

This garden houses the remains of the ancient Greek port of Marseille.

Oriental bazaar in the heart of Sarajevo.

The first mosque in the world to receive electricity.

This little-known colonial road helped determine the Zambia-Tanzania border.

A sophisticated astronomical tower built by one of the greatest Persian scholars of the Islamic Golden Age.

This imposing 20th-century castle was abandoned before it was ever completed.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

This Canadian hunting lodge is a long way from home.

A stunning landscape of bunkers that once stored chemical weapons.

The western-most fortress on the Great Wall of China has gone from a strategic stronghold to a kitschy tourist carnival.

Monks turned this mountain into a temple by digging grottoes, tunnels, and a huge pagoda-like hall.

When methane gas started seeping up from the ground, they picked up and moved the entire town.

A unique 1980s designed church sits uncomfortably in its traditional Victorian churchyard.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.