A relic of the region's once booming timber industry.

Towering basalt columns, a creation of fire and ice.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

A natural dome made of volcanic glass in Inyo National Forest.

A new monument to an old grave that was uncovered during the rebuilding of a California ghost town.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A volcanic cone that formed over 600 years ago.

California's longest-running tourist attraction is a stump.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Romania's only crater lake with water as pure as if distilled.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

This sculpture used famed boxer Joe Louis as the inspiration behind its body.

The ancient Greek Titan guards this massive dam holding a lightning bolt to symbolize electricity.

According to a gruesome legend, an architect sacrificed his wife to build this spectacular, 16th-century cathedral.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

Romania's triumphal arch looks out over Bucharest.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Have tea in a cemetery with a dazzling view of Istanbul.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

Feast on the freshest of fish by the Bosphorus.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.