This quirky hot springs town known to locals as "T or C" was named after a radio show.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

This is one really big nut.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

A multiversal transit station located right below a highway interchange.

World's largest magnetic research facility.

This legendary urban waterfall creates a dazzling display of rainbows.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This black shoreline is made up of exploded lava particles.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.