Open-air cremations in Colorado's self-proclaimed spiritual mecca.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

A museum dedicated to the mysterious cryptid.

A New England curiosity cabinet, one hundred years on.

A delightful but little-known public observatory and planetarium in Munich.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

A memorial for public executions that dates back to the 14th century.

Inside this small brick bungalow is a collection of toys intended for the afterlife.

This ancient Corinthian helmet is South Korea’s only national treasure of Western origin.

Live long and prosper in Tennessee.

This massive metal sculpture in the shape of a folded paper airplane overlooks a Utah mountain.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

This seemingly charming home memorializes and honors the victims of a century-old unsolved murder.

An obelisk commemorating Lincoln's role in connecting the coasts.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

This once rural mansion now sits in the heart of the city.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

A brick-paved former section of the historic coast-to-coast highway.

A lifetime's accumulation of bric-a-brac and kitsch.

The abandoned remnants of a little sanctuary for world peace that fell into disrepair.

This museum started by a curious collector is now a place for believers and skeptics alike.

This Colorado gallery is primarily for cars, but its collection also includes quilts, pottery, and more.

A fascinating collection of art made from petrified wood and fossils by two octogenarian twin brothers.