This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

On a small island, a replica of a Finnish village from the Iron Age.

Finland's oldest astronomical observatory once played a crucial role in seafaring and timekeeping.

A small island dotted with old, historic Finnish buildings.

An abstract monument to a symphonic composer.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

A geological mystery on Camelback Mountain.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

An out of this world experience.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

Tombstone of a dog that greeted passengers at the Southern Railway Depot.

This labyrinth was designed to help visitors focus and meditate.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

A white oak with property rights.

A year-long seasonal produce clock highlighting a variety of fruits and vegetables from across the Piedmont region.

These strange large stones served as a campsite and lookout post for generations of Native Americans.

A psychological self-portrait in the form of a giant, segmented head.