An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A stately palace has been converted into the world's largest cannabis museum.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

An obelisk marks the farmhouse where the founder of Mormonism was born.

This magnificent Japanese garden provides a moment of Zen in rural Vermont.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A multi-storied adobe complex has been inhabited for more than a thousand years.

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.