During the 19th-century, this park was a vital trading fort.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

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

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

The unusual patterns in this rock formation result from two distinct modes of weathering.

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

It's good luck to be mocked by this monkey.

A beautiful example of 18th-century engineering still standing tall.

Spectacular views await visitors to this lake.

A majestic hotel that also stands as a historic relic.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

One of the largest carillons in the world, this giant instrument has 67 cast-iron bells played by a keyboard.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Located on the campus of Emory University, this museum is filled with objects from the Americas to ancient Greece.