You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

148 feet long and in the middle of a verdant forest.

One person's lost luggage is another person's treasure.

An impressive century-old, to-scale topographical map of Guatemala.

The remnants of an archaeological camp stand within Tikal National Park.

One of the world's largest pyramids stands within El Mirador, the "lost city of the Maya."

Volcanically heated hot springs.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

This striking art museum holds an amazing series of curiosity cabinets.

Vikings and Evangelicals have both had a hand in this replica medieval church.

This pebble beach is so beautiful that taking its rocks is against the law.

This cave holds a surprisingly colorful variety of geological oddities.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A bizarre house filled with an astounding array of collections.

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

A stealthy Apache hideaway that became the haunting site of a mass grave.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

See massive fossils that are over 200 million years old in northeastern Arizona.

A reproduction of earth's many biomes.