Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

The magic's in the hole!

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

A blacklight journey through a celestial art exhibit.

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

This is one really big nut.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

Authentic gondola hanging from the ceiling, notable mural in the back room.

This Chase branch is an homage to Old Hollywood.

A few iconic structures are all that remain of America’s first outdoor shopping mall.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

The blinking light atop the iconic landmark has been sending secret messages for decades.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

Underground farm located in a former bank vault deep within the bowels of Tokyo's business district.

The buildings are among the few Frank Lloyd Wright structures still standing in Japan.

This adorable birdlike police box is designed based on a play on words.