Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

A comprehensive collection of bonsai set in a beautiful campus.

A spiritual sanctuary in a natural cave.

This 5-by-6-foot wooden hut is the smallest historic post office in the U.S.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

Walking by this fence is like strolling along a portal to various fictional worlds.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

A charming Spanish village sits atop this natural limestone overpass.

Five varieties of trees with custom-designed grates around the trunk are planted along the route of the Seattle Transit Tunnel.

A diverse collection of wax, bone, papier-maché and mummified relics.

This massive chapel in the middle of the Indonesian forest is both haunting and fowl.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

An abandoned Cold War missile radar site.

A collection of odd-shaped and quirky sounding instruments handmade by a midcentury inventor-composer.

A sign marks the plane crash that caused two nuclear bombs to fall in North Carolina.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

The only surviving piece of a submarine said to be the most decorated vessel in U.S. history.

This tiny hotel perched atop a 50-foot tower really puts things into perspective.

A bike train runs along a disused railway line through the tranquil French countryside.

This Seattle joint serves food inside an old train car once used by FDR.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

This ceremonial mound is one of the first officially recognized Native American historical sites in North Carolina.