This quirky hot springs town known to locals as "T or C" was named after a radio show.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

Ruins of a Carnegie family mansion on Cumberland Island.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

This Elizabethan hedge maze is one of only six in North America.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Take a drunken tour inside the world's largest known geode.

A historic freight system that found the true gold rush is in tourism.

The oldest farmer's market in America is so ancient it was approved by the King of England.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.