The last used bookstore in Downtown San Francisco is one of the smallest bookstores just about anywhere.

Dedicated to the outnumbered Finnish forces who pushed back Soviet forces during the conflict.

An ode to one of the dirtiest jobs during the construction of the Boulder Dam.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A spiritual vortex among the red rocks in Sedona.

Version of the French Riviera destroyed by the sea.

The ghostly remains of an accidental sea.

An off-grid art installation that encourages its visitors to imagine a world without waste.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

Georgetown’s most impressive building is also one of the tallest wooden churches in the world.

Though dynamited and defaced, the statue still stands outside the law courts in Georgetown, Guyana.

The largest market in Guyana, designed and built by the Edge Moor Iron Company of Delaware.

The model behind the iconic 3D test model.

The first high-tech company in the valley that actually worked with silicon devices.

This airfield played a key role in both World War II and the Cold War.

Ancient weaving techniques are used to create these colorful souvenirs.

With only one flight in and out a week, the unfenced runway at this small island's airport transforms into a seaside park for locals and visitors.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.