Read between the lines of the subway map to find the hidden abandoned Civil War fort.

These hellish-looking cliffs in the Canadian Arctic have been burning for centuries.

These legendary stone steps were once used to haul coffins up the rockface.

Mexico’s first and only Tzotzil Maya bookbinding workshop.

The great Danube river starts here.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

An underwater temple submerged for 20 years has resurfaced with an extreme drought.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

This isolated island is often capped by its own fluffy cloud.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

Two New York rooftops are home to the largest rooftop soil farms in the world.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

This ancient Irish landscape boasts hundreds of legendary ruins.

The biblical sculpture honors those who lost their lives, homes and communities to the Chernobyl disaster.

A wonderful safe haven founded in the 1960s to rescue endangered monkeys from the pet trade.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

These docile dragons are ideal inhabitants for the conservatory greenhouses.

Buy a token from the liquor store and you can make this beast spew flames on command.

When the public was consulted about a new piece of street art, they naturally asked for an enormous metal dragon.

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