One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

An abandoned town is hidden in Great Smoky Mountains National Park.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Visit this playground of waterfalls, caves and sinkholes.

Ancient pueblos built into the base of a natural canyon wall.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

A dazzling display of red rocks weathered into spires and hoodoos.

Jurassic Park—A Still Life.

Largest collection of mounted dinosaur specimens in the world.

A tunnel with windows, so you don't miss out on the impressive views.

The fifth-longest natural arch in the world, and the longest outside China.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Every winter, water dripping from a pole creates an ever-changing ice sculpture.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

The largest whale museum in Europe allows visitors to walk among life-size giants.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.