The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

An artist sees trees as a medium for sculpture.

The narrowest house in America is seven feet of pure spite.

An impressive collection is dedicated to the legendary beast.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

Massive mounds of golden sand look like a desert landscape randomly plopped in an Arctic forest.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

The massive machine creates cracking displays of indoor lightning.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

The 40-year-old machine serves soda quicker than you can catch it for a mere 75 cents a pop.

This unique sanctuary invites you to interact with the beautiful birds.

A colorful square marks the heart of the city's LGBTQ community.

Visit these gentle, bell-bottomed, exquisite equines at the home of North America's first Gypsy Vanner horses.

A beautiful oddities shop crammed with strange and morbid curiosities.

A museum of natural history, Edwin Carter's original log cabin home and workshop houses taxidermy specimens.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.