Created as a coal reserve, it is today a natural park with stunning wildflowers, ancient marine fossils, and remnants of a 19th century mine.

A circle stone within a stone circle.

There are two dozen tanks just sitting in an open field in Lower Saxony.

This cuddly rodent has a place of honor at a Russian institute for genetic research.

The painted and decorated towers of this Hindu shrine were once the tallest structures in one of the oldest cities in India.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

A modern-day Lascaux cave underneath Paris.

A collection of vintage liaison aircraft kept in flying condition and on display at an airfield in San Antonio.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

The composer did some of his finest work in this country home, including "The Nutcracker."

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

They sort through millions of dollars worth of diplomatic gifts on behalf of the government.

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.

The world’s largest knitted mitten is displayed in one of Sweden’s smallest Arctic villages.

A retrofuturistic art installation in the Pittsburgh Airport.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A Japanese concept restaurant that feels like a party thrown by the monsters in your closet.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

This small hut in the middle of a parking lot was once the wooded sanctuary of the 'Hermit of Montrose.'

Hamburgers are intensely proud of their tunnel beneath the river.

A mysterious "wedding cake" castle in the middle of the urban desert.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.