Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

The Tudor-style cottage in the middle of the square is not quite what it seems.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

This departure gate in Austin's airport sends travelers to over 120 imaginary destinations.

Over 75 historically themed murals grace the walls of a small Washington city.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

An 18-foot-tall troll sculpture, made from recycled wood and materials found in nature.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.

A high-octane shrine to the greatest Texans who ever lived.

This blowhole is supposedly caused by a trapped monster.

A small building that loosely resembles a tooth is appropriately used as a dentist office.

Part bookstore, part café, and part forest.

The only castle in North America to ever house European sovereigns.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

Vines grow up the metal bars in this public park created from an old machine factory.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”